Multivariable Calculus
11th Edition
ISBN: 9781337275378
Author: Ron Larson, Bruce H. Edwards
Publisher: Cengage Learning
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Question
Chapter 13.7, Problem 7E
To determine
To calculate: The function is
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(a) Show that at every point on the curve r(u) = (e^u cos u, e^u sin u, e^u ) , the angle between the unit tangent vector and the z-axis is the same. Show that this is also true for the principal normal vector.
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Chapter 13 Solutions
Multivariable Calculus
Ch. 13.1 - Think About It Explain why z2=x+3y is not a...Ch. 13.1 - Function of Two Variables What is a graph of a...Ch. 13.1 - Prob. 3ECh. 13.1 - Prob. 4ECh. 13.1 - Determining Whether an Equation Is a Function In...Ch. 13.1 - Prob. 6ECh. 13.1 - Determining Whether an Equation Is a Function In...Ch. 13.1 - Determining Whether an Equation Is a Function In...Ch. 13.1 - Prob. 9ECh. 13.1 - Evaluating a Function In Exercises 9-20, evaluate...
Ch. 13.1 - Prob. 11ECh. 13.1 - Prob. 12ECh. 13.1 - Evaluating a Function In Exercises 9-20, evaluate...Ch. 13.1 - Prob. 14ECh. 13.1 - Prob. 15ECh. 13.1 - Evaluating a Function In Exercises 9-20, evaluate...Ch. 13.1 - Evaluating a Function In Exercises 9-20, evaluate...Ch. 13.1 - Prob. 18ECh. 13.1 - Evaluating a Function In Exercises 9-20, evaluate...Ch. 13.1 - Prob. 20ECh. 13.1 - Prob. 21ECh. 13.1 - Prob. 22ECh. 13.1 - Finding the Domain and Range of a Function In...Ch. 13.1 - Prob. 24ECh. 13.1 - Prob. 25ECh. 13.1 - Prob. 26ECh. 13.1 - Prob. 27ECh. 13.1 - Prob. 28ECh. 13.1 - Finding the Domain and Range of a Function In...Ch. 13.1 - Prob. 30ECh. 13.1 - Finding the Domain and Range of a Function In...Ch. 13.1 - Prob. 32ECh. 13.1 - Prob. 33ECh. 13.1 - Prob. 34ECh. 13.1 - Prob. 35ECh. 13.1 - Prob. 36ECh. 13.1 - Prob. 37ECh. 13.1 - Prob. 38ECh. 13.1 - Prob. 39ECh. 13.1 - Prob. 40ECh. 13.1 - Prob. 41ECh. 13.1 - Prob. 42ECh. 13.1 - Prob. 43ECh. 13.1 - Graphing a Function Using Technology In Exercises...Ch. 13.1 - Prob. 45ECh. 13.1 - Prob. 46ECh. 13.1 - Prob. 47ECh. 13.1 - Prob. 48ECh. 13.1 - Prob. 49ECh. 13.1 - Prob. 50ECh. 13.1 - Prob. 51ECh. 13.1 - Prob. 52ECh. 13.1 - Prob. 53ECh. 13.1 - Prob. 54ECh. 13.1 - Sketching a Contour Map In Exercises 51-58,...Ch. 13.1 - Sketching a Contour Map In Exercises 51-58,...Ch. 13.1 - Sketching a Contour Map In Exercises 51-58,...Ch. 13.1 - Sketching a Contour Map In Exercises 51-58,...Ch. 13.1 - Prob. 59ECh. 13.1 - Sraphing Level Curves Using Technology In...Ch. 13.1 - Sraphing Level Curves Using Technology In...Ch. 13.1 - Sraphing Level Curves Using Technology In...Ch. 13.1 - Prob. 63ECh. 13.1 - Prob. 64ECh. 13.1 - Creating a FunctionConstruct a function whose...Ch. 13.1 - Prob. 66ECh. 13.1 - Prob. 67ECh. 13.1 - Prob. 68ECh. 13.1 - Prob. 69ECh. 13.1 - Prob. 70ECh. 13.1 - Sketching a Level Surface In Exercises 71-76,...Ch. 13.1 - Prob. 72ECh. 13.1 - Prob. 73ECh. 13.1 - Sketching a Level Surface In Exercises 71-76,...Ch. 13.1 - Sketching a Level Surface In Exercises 71-76,...Ch. 13.1 - Sketching a Level Surface In Exercises 71-76,...Ch. 13.1 - Prob. 77ECh. 13.1 - Prob. 78ECh. 13.1 - Prob. 79ECh. 13.1 - Electric Potential The electric potential V at any...Ch. 13.1 - Prob. 81ECh. 13.1 - Prob. 82ECh. 13.1 - Prob. 83ECh. 13.1 - Cobb-Douglas Production FunctionShow that the...Ch. 13.1 - Ideal Gas Law According to the Ideal Gas Law....Ch. 13.1 - Modeling Data The table shows the net sales x (in...Ch. 13.1 - Meteorology. Meteorologists measure the...Ch. 13.1 - Acid Rain The acidity of rainwater is measured in...Ch. 13.1 - Construction Cost A rectangular storage box with...Ch. 13.1 - HOW DO YOU SEE IT? The contour map of the Southern...Ch. 13.1 - Prob. 91ECh. 13.1 - Prob. 92ECh. 13.1 - Prob. 93ECh. 13.1 - True or False? In Exercises 91-94, determine...Ch. 13.1 - Prob. 95ECh. 13.2 - CONCEPT CHECK Describing Notation Write a brief...Ch. 13.2 - CONCEPT CHECK Limits Explain how examining limits...Ch. 13.2 - Verifying a Limit by the Definition In Exercises...Ch. 13.2 - Verifying a Limit by the Definition In Exercises...Ch. 13.2 - Verifying a Limit by the Definition In Exercises...Ch. 13.2 - Verifying a Limit by the Definition In Exercises...Ch. 13.2 - Prob. 7ECh. 13.2 - Prob. 8ECh. 13.2 - Prob. 9ECh. 13.2 - Prob. 10ECh. 13.2 - Prob. 11ECh. 13.2 - Prob. 12ECh. 13.2 - Prob. 13ECh. 13.2 - Prob. 14ECh. 13.2 - Prob. 15ECh. 13.2 - Prob. 16ECh. 13.2 - Prob. 17ECh. 13.2 - Prob. 18ECh. 13.2 - Prob. 19ECh. 13.2 - Prob. 20ECh. 13.2 - Prob. 21ECh. 13.2 - Prob. 22ECh. 13.2 - Prob. 23ECh. 13.2 - Prob. 24ECh. 13.2 - Prob. 25ECh. 13.2 - Prob. 26ECh. 13.2 - Finding a Limit In Exercises 25-36, find the limit...Ch. 13.2 - Finding a Limit In Exercises 25-36, find the limit...Ch. 13.2 - Finding a Limit In Exercises 25-36, find the limit...Ch. 13.2 - Prob. 30ECh. 13.2 - Finding a Limit In Exercises 25-36, find the limit...Ch. 13.2 - Prob. 32ECh. 13.2 - Prob. 33ECh. 13.2 - Prob. 34ECh. 13.2 - Prob. 35ECh. 13.2 - Prob. 36ECh. 13.2 - Prob. 37ECh. 13.2 - Prob. 38ECh. 13.2 - Prob. 39ECh. 13.2 - Prob. 40ECh. 13.2 - Prob. 41ECh. 13.2 - Prob. 42ECh. 13.2 - Prob. 43ECh. 13.2 - Prob. 44ECh. 13.2 - Prob. 45ECh. 13.2 - Prob. 46ECh. 13.2 - Prob. 47ECh. 13.2 - Prob. 48ECh. 13.2 - Comparing Continuity In Exercises 49 and 50,...Ch. 13.2 - Prob. 50ECh. 13.2 - Prob. 51ECh. 13.2 - Prob. 52ECh. 13.2 - Finding a Limit Using Polar Coordinates In...Ch. 13.2 - Prob. 54ECh. 13.2 - Finding a Limit Using Polar Coordinates In...Ch. 13.2 - Finding a Limit Using Polar Coordinates In...Ch. 13.2 - Finding a Limit Using Polar Coordinates In...Ch. 13.2 - Prob. 58ECh. 13.2 - Finding a Limit Using Polar Coordinates In...Ch. 13.2 - Prob. 60ECh. 13.2 - Prob. 61ECh. 13.2 - Prob. 62ECh. 13.2 - Continuity In Exercises 61-66, discuss the...Ch. 13.2 - Prob. 64ECh. 13.2 - Prob. 65ECh. 13.2 - Prob. 66ECh. 13.2 - Prob. 67ECh. 13.2 - Prob. 68ECh. 13.2 - Prob. 69ECh. 13.2 - Prob. 70ECh. 13.2 - Prob. 71ECh. 13.2 - Prob. 72ECh. 13.2 - Finding a Limit In Exercises 71-76, find each...Ch. 13.2 - Prob. 74ECh. 13.2 - Prob. 75ECh. 13.2 - Prob. 76ECh. 13.2 - Finding a Limit Using Spherical Coordinates In...Ch. 13.2 - Prob. 78ECh. 13.2 - Prob. 79ECh. 13.2 - Prob. 80ECh. 13.2 - Prob. 81ECh. 13.2 - Prob. 82ECh. 13.2 - Prob. 83ECh. 13.2 - Prob. 84ECh. 13.2 - Prob. 85ECh. 13.2 - Prob. 86ECh. 13.3 - Prob. 1ECh. 13.3 - Prob. 2ECh. 13.3 - Higher-Order Partial Derivatives Describe the...Ch. 13.3 - Prob. 4ECh. 13.3 - Prob. 5ECh. 13.3 - Prob. 6ECh. 13.3 - Prob. 7ECh. 13.3 - Prob. 8ECh. 13.3 - Prob. 9ECh. 13.3 - Prob. 10ECh. 13.3 - Prob. 11ECh. 13.3 - Prob. 12ECh. 13.3 - Prob. 13ECh. 13.3 - Prob. 14ECh. 13.3 - Prob. 15ECh. 13.3 - Prob. 16ECh. 13.3 - Prob. 17ECh. 13.3 - Prob. 18ECh. 13.3 - Prob. 19ECh. 13.3 - Prob. 20ECh. 13.3 - Prob. 21ECh. 13.3 - Prob. 22ECh. 13.3 - Prob. 23ECh. 13.3 - Prob. 24ECh. 13.3 - Prob. 25ECh. 13.3 - Prob. 26ECh. 13.3 - Prob. 27ECh. 13.3 - Prob. 28ECh. 13.3 - Prob. 29ECh. 13.3 - Prob. 30ECh. 13.3 - Prob. 31ECh. 13.3 - Prob. 32ECh. 13.3 - Prob. 33ECh. 13.3 - Prob. 34ECh. 13.3 - Prob. 35ECh. 13.3 - Prob. 36ECh. 13.3 - Prob. 37ECh. 13.3 - Prob. 38ECh. 13.3 - Prob. 39ECh. 13.3 - Prob. 40ECh. 13.3 - Prob. 41ECh. 13.3 - Prob. 42ECh. 13.3 - Prob. 43ECh. 13.3 - Prob. 44ECh. 13.3 - Prob. 45ECh. 13.3 - Prob. 46ECh. 13.3 - Prob. 47ECh. 13.3 - Prob. 48ECh. 13.3 - Prob. 49ECh. 13.3 - Prob. 50ECh. 13.3 - Prob. 51ECh. 13.3 - Prob. 52ECh. 13.3 - Prob. 53ECh. 13.3 - Prob. 54ECh. 13.3 - Prob. 55ECh. 13.3 - Prob. 56ECh. 13.3 - Prob. 57ECh. 13.3 - Prob. 58ECh. 13.3 - Prob. 59ECh. 13.3 - Prob. 60ECh. 13.3 - Prob. 61ECh. 13.3 - Prob. 62ECh. 13.3 - Prob. 63ECh. 13.3 - Prob. 64ECh. 13.3 - Prob. 65ECh. 13.3 - Prob. 66ECh. 13.3 - Prob. 67ECh. 13.3 - Prob. 68ECh. 13.3 - Prob. 69ECh. 13.3 - Prob. 70ECh. 13.3 - Prob. 71ECh. 13.3 - Prob. 72ECh. 13.3 - Prob. 73ECh. 13.3 - Prob. 74ECh. 13.3 - Prob. 75ECh. 13.3 - Prob. 76ECh. 13.3 - Prob. 77ECh. 13.3 - Prob. 78ECh. 13.3 - Prob. 79ECh. 13.3 - Prob. 80ECh. 13.3 - Prob. 81ECh. 13.3 - Prob. 82ECh. 13.3 - Prob. 83ECh. 13.3 - Prob. 84ECh. 13.3 - Prob. 85ECh. 13.3 - Prob. 86ECh. 13.3 - Prob. 87ECh. 13.3 - Prob. 88ECh. 13.3 - Prob. 89ECh. 13.3 - Prob. 90ECh. 13.3 - Prob. 91ECh. 13.3 - Prob. 92ECh. 13.3 - Prob. 93ECh. 13.3 - Prob. 94ECh. 13.3 - Prob. 95ECh. 13.3 - Prob. 96ECh. 13.3 - Prob. 97ECh. 13.3 - Prob. 98ECh. 13.3 - Prob. 99ECh. 13.3 - Prob. 100ECh. 13.3 - Prob. 101ECh. 13.3 - Prob. 102ECh. 13.3 - Prob. 103ECh. 13.3 - Prob. 104ECh. 13.3 - Prob. 105ECh. 13.3 - Prob. 106ECh. 13.3 - Prob. 107ECh. 13.3 - Prob. 108ECh. 13.3 - Prob. 109ECh. 13.3 - Prob. 110ECh. 13.3 - Prob. 111ECh. 13.3 - Prob. 112ECh. 13.3 - Prob. 113ECh. 13.3 - Prob. 114ECh. 13.3 - Prob. 115ECh. 13.3 - Prob. 116ECh. 13.3 - Prob. 117ECh. 13.3 - Prob. 118ECh. 13.3 - Prob. 119ECh. 13.3 - Prob. 120ECh. 13.3 - Think About It Let V be the number of applicants...Ch. 13.3 - Investment The value of an investment of $1000...Ch. 13.3 - Prob. 123ECh. 13.3 - Apparent Temperature A measure of how hot weather...Ch. 13.3 - Ideal Gas Law The Ideal Gas Law states that PV=nRT...Ch. 13.3 - Prob. 126ECh. 13.3 - Prob. 127ECh. 13.3 - Prob. 128ECh. 13.3 - Prob. 129ECh. 13.3 - Prob. 130ECh. 13.3 - Prob. 131ECh. 13.4 - CONCEPT CHECK ApproximationDescribe the change in...Ch. 13.4 - Prob. 2ECh. 13.4 - Prob. 3ECh. 13.4 - Prob. 4ECh. 13.4 - Finding a Total DifferentialIn Exercises 38, find...Ch. 13.4 - Finding a Total DifferentialIn Exercises 38, find...Ch. 13.4 - Prob. 7ECh. 13.4 - Prob. 8ECh. 13.4 - Prob. 9ECh. 13.4 - Prob. 10ECh. 13.4 - Prob. 11ECh. 13.4 - Prob. 12ECh. 13.4 - Using a Differential as an Approximation In...Ch. 13.4 - Prob. 14ECh. 13.4 - Prob. 15ECh. 13.4 - Prob. 16ECh. 13.4 - Prob. 17ECh. 13.4 - Prob. 18ECh. 13.4 - Prob. 19ECh. 13.4 - Prob. 20ECh. 13.4 - Area The area of the shaded rectangle in the...Ch. 13.4 - Volume The volume of the red right circular...Ch. 13.4 - Prob. 23ECh. 13.4 - Prob. 24ECh. 13.4 - Prob. 25ECh. 13.4 - Prob. 26ECh. 13.4 - Wind Chill The formula for wind dull C (in degrees...Ch. 13.4 - Prob. 28ECh. 13.4 - Prob. 29ECh. 13.4 - Prob. 30ECh. 13.4 - Volume A trough is 16 feet long (see figure). Its...Ch. 13.4 - Prob. 32ECh. 13.4 - Prob. 33ECh. 13.4 - Prob. 34ECh. 13.4 - Prob. 35ECh. 13.4 - Prob. 36ECh. 13.4 - Prob. 37ECh. 13.4 - Prob. 38ECh. 13.4 - Prob. 39ECh. 13.4 - Prob. 40ECh. 13.5 - Prob. 1ECh. 13.5 - Implicit Differentiation Why is using the Chain...Ch. 13.5 - Using the Chain Rule In Exercises 3-6, find dw/dt...Ch. 13.5 - Using the Chain Rule In Exercises 3-6, find dw/dt...Ch. 13.5 - Using the Chain Rule In Exercises 3-6, find dw/dt...Ch. 13.5 - Using the Chain Rule In Exercises 3-6, find dw/dt...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Using Different Methods In Exercises 7-12, find...Ch. 13.5 - Projectile Motion In Exercises 13 and 14. the...Ch. 13.5 - Projectile Motion In Exercises 13 and 14. the...Ch. 13.5 - Prob. 15ECh. 13.5 - Prob. 16ECh. 13.5 - Prob. 17ECh. 13.5 - Prob. 18ECh. 13.5 - Using Different Methods In Exercises 19-22, find ...Ch. 13.5 - Using Different Methods In Exercises 19-22, find ...Ch. 13.5 - Using Different Methods In Exercises 19-22, find ...Ch. 13.5 - Prob. 22ECh. 13.5 - Finding a Derivative ImplicitlyIn Exercises 2326,...Ch. 13.5 - Prob. 24ECh. 13.5 - Finding a Derivative Implicitly In Exercises...Ch. 13.5 - Prob. 26ECh. 13.5 - Prob. 27ECh. 13.5 - Prob. 28ECh. 13.5 - Prob. 29ECh. 13.5 - Prob. 30ECh. 13.5 - Prob. 31ECh. 13.5 - Prob. 32ECh. 13.5 - Prob. 33ECh. 13.5 - Prob. 34ECh. 13.5 - Prob. 35ECh. 13.5 - Prob. 36ECh. 13.5 - Prob. 37ECh. 13.5 - Prob. 38ECh. 13.5 - Homogeneous Functions A function f is homogeneous...Ch. 13.5 - Prob. 40ECh. 13.5 - Prob. 41ECh. 13.5 - Prob. 42ECh. 13.5 - Prob. 43ECh. 13.5 - Prob. 44ECh. 13.5 - Prob. 45ECh. 13.5 - Prob. 46ECh. 13.5 - Prob. 47ECh. 13.5 - Prob. 48ECh. 13.5 - Prob. 49ECh. 13.5 - Prob. 50ECh. 13.5 - Moment of Inertia An annular cylinder has an...Ch. 13.5 - Volume and Surface Area The two radii of the...Ch. 13.5 - Cauchy-Riemann Equations Given the functions u(x,...Ch. 13.5 - Cauchy-Riemann Equations Demonstrate the result of...Ch. 13.5 - Homogeneous Function Show that if f(x, y) is...Ch. 13.6 - Prob. 1ECh. 13.6 - Prob. 2ECh. 13.6 - Prob. 3ECh. 13.6 - Prob. 4ECh. 13.6 - Finding a Directional DerivativeIn Exercises 36,...Ch. 13.6 - Prob. 6ECh. 13.6 - Prob. 7ECh. 13.6 - Prob. 8ECh. 13.6 - Prob. 9ECh. 13.6 - Prob. 10ECh. 13.6 - Prob. 11ECh. 13.6 - Prob. 12ECh. 13.6 - Prob. 13ECh. 13.6 - Prob. 14ECh. 13.6 - Prob. 15ECh. 13.6 - Prob. 16ECh. 13.6 - Finding the Gradient of a FunctionIn Exercises...Ch. 13.6 - Prob. 18ECh. 13.6 - Prob. 19ECh. 13.6 - Prob. 20ECh. 13.6 - Prob. 21ECh. 13.6 - Prob. 22ECh. 13.6 - Prob. 23ECh. 13.6 - Prob. 24ECh. 13.6 - Prob. 25ECh. 13.6 - Prob. 26ECh. 13.6 - Prob. 27ECh. 13.6 - Prob. 28ECh. 13.6 - Prob. 29ECh. 13.6 - Prob. 30ECh. 13.6 - Using Properties of the GradientIn Exercises 2938,...Ch. 13.6 - Prob. 32ECh. 13.6 - Using Properties of the GradientIn Exercises 2938,...Ch. 13.6 - Using Properties of the GradientIn Exercises 2938,...Ch. 13.6 - Using Properties of the GradientIn Exercises 2938,...Ch. 13.6 - Prob. 36ECh. 13.6 - Prob. 37ECh. 13.6 - Prob. 38ECh. 13.6 - Prob. 39ECh. 13.6 - Prob. 40ECh. 13.6 - Prob. 41ECh. 13.6 - Prob. 42ECh. 13.6 - Using a FunctionIn Exercises 4346, (a) find the...Ch. 13.6 - Prob. 44ECh. 13.6 - Prob. 45ECh. 13.6 - Prob. 46ECh. 13.6 - Prob. 47ECh. 13.6 - Prob. 48ECh. 13.6 - Prob. 49ECh. 13.6 - Prob. 50ECh. 13.6 - Prob. 51ECh. 13.6 - Prob. 52ECh. 13.6 - Topography The surface of a mountain is modeled by...Ch. 13.6 - Prob. 54ECh. 13.6 - Temperature The temperature at the point (x,y) on...Ch. 13.6 - Prob. 56ECh. 13.6 - Prob. 57ECh. 13.6 - Prob. 58ECh. 13.6 - Prob. 59ECh. 13.6 - Prob. 60ECh. 13.6 - Prob. 61ECh. 13.6 - Prob. 62ECh. 13.6 - Prob. 63ECh. 13.6 - Prob. 64ECh. 13.6 - Prob. 65ECh. 13.6 - Ocean Floor A team of oceanographers is mapping...Ch. 13.6 - Prob. 67ECh. 13.6 - Prob. 68ECh. 13.7 - CONCEPT CHECK Tangent VectorConsider a point...Ch. 13.7 - Prob. 2ECh. 13.7 - Prob. 3ECh. 13.7 - Prob. 4ECh. 13.7 - Prob. 5ECh. 13.7 - Prob. 6ECh. 13.7 - Prob. 7ECh. 13.7 - Prob. 8ECh. 13.7 - Prob. 9ECh. 13.7 - Prob. 10ECh. 13.7 - Prob. 11ECh. 13.7 - Prob. 12ECh. 13.7 - Prob. 13ECh. 13.7 - Prob. 14ECh. 13.7 - Prob. 15ECh. 13.7 - Prob. 16ECh. 13.7 - Prob. 17ECh. 13.7 - Prob. 18ECh. 13.7 - Prob. 19ECh. 13.7 - Prob. 20ECh. 13.7 - Prob. 21ECh. 13.7 - Prob. 22ECh. 13.7 - Prob. 23ECh. 13.7 - Prob. 24ECh. 13.7 - Finding an Equation of a Tangent Plane and a...Ch. 13.7 - Finding an Equation of a Tangent Plane and a...Ch. 13.7 - Prob. 27ECh. 13.7 - Prob. 28ECh. 13.7 - Prob. 29ECh. 13.7 - Prob. 30ECh. 13.7 - Prob. 31ECh. 13.7 - Prob. 32ECh. 13.7 - Prob. 33ECh. 13.7 - Prob. 34ECh. 13.7 - Finding the Angle of Inclination of a Tangent...Ch. 13.7 - Prob. 36ECh. 13.7 - Prob. 37ECh. 13.7 - Prob. 38ECh. 13.7 - Horizontal Tangent PlaneIn Exercises 3742, find...Ch. 13.7 - Prob. 40ECh. 13.7 - Prob. 41ECh. 13.7 - Prob. 42ECh. 13.7 - Prob. 43ECh. 13.7 - Prob. 44ECh. 13.7 - Prob. 45ECh. 13.7 - Prob. 46ECh. 13.7 - Prob. 47ECh. 13.7 - Prob. 48ECh. 13.7 - Using an EllipsoidFind a point on the ellipsoid...Ch. 13.7 - Using a HyperboloidFind a point on the hyperboloid...Ch. 13.7 - Prob. 51ECh. 13.7 - HOW DO YOU SEE IT? The graph shows the ellipsoid...Ch. 13.7 - Prob. 53ECh. 13.7 - Prob. 54ECh. 13.7 - Prob. 55ECh. 13.7 - Prob. 56ECh. 13.7 - Prob. 57ECh. 13.7 - Prob. 58ECh. 13.7 - Prob. 59ECh. 13.7 - Prob. 60ECh. 13.7 - Prob. 61ECh. 13.7 - ApproximationRepeat Exercise 61 for the function...Ch. 13.7 - Prob. 63ECh. 13.7 - Prob. 64ECh. 13.8 - CONCEPT CHECK Function of Two VariablesFor a...Ch. 13.8 - Prob. 2ECh. 13.8 - Prob. 3ECh. 13.8 - Prob. 4ECh. 13.8 - Prob. 5ECh. 13.8 - Prob. 6ECh. 13.8 - Prob. 7ECh. 13.8 - Prob. 8ECh. 13.8 - Prob. 9ECh. 13.8 - Prob. 10ECh. 13.8 - Prob. 11ECh. 13.8 - Prob. 12ECh. 13.8 - Prob. 13ECh. 13.8 - Prob. 14ECh. 13.8 - Prob. 15ECh. 13.8 - Prob. 16ECh. 13.8 - Prob. 17ECh. 13.8 - Prob. 18ECh. 13.8 - Prob. 19ECh. 13.8 - Prob. 20ECh. 13.8 - Prob. 21ECh. 13.8 - Prob. 22ECh. 13.8 - Prob. 23ECh. 13.8 - Prob. 24ECh. 13.8 - Prob. 25ECh. 13.8 - Prob. 26ECh. 13.8 - Prob. 27ECh. 13.8 - Prob. 28ECh. 13.8 - Prob. 29ECh. 13.8 - Prob. 30ECh. 13.8 - Prob. 31ECh. 13.8 - Prob. 32ECh. 13.8 - Prob. 33ECh. 13.8 - Prob. 34ECh. 13.8 - Prob. 35ECh. 13.8 - Prob. 36ECh. 13.8 - Prob. 37ECh. 13.8 - Prob. 38ECh. 13.8 - Finding Absolute ExtremaIn Exercises 3946, find...Ch. 13.8 - Prob. 40ECh. 13.8 - Finding Absolute Extrema In Exercises 39-46, find...Ch. 13.8 - Prob. 42ECh. 13.8 - Prob. 43ECh. 13.8 - Prob. 44ECh. 13.8 - Prob. 45ECh. 13.8 - Prob. 46ECh. 13.8 - Prob. 47ECh. 13.8 - Prob. 48ECh. 13.8 - Prob. 49ECh. 13.8 - Prob. 50ECh. 13.8 - Prob. 51ECh. 13.8 - Prob. 52ECh. 13.8 - Prob. 53ECh. 13.8 - Prob. 54ECh. 13.8 - Prob. 55ECh. 13.8 - Prob. 56ECh. 13.8 - Prob. 57ECh. 13.8 - Prob. 58ECh. 13.9 - Prob. 1ECh. 13.9 - CONCEPT CHECK Method of Least SquaresIn your own...Ch. 13.9 - Prob. 3ECh. 13.9 - Prob. 4ECh. 13.9 - Prob. 5ECh. 13.9 - Prob. 6ECh. 13.9 - Prob. 7ECh. 13.9 - Finding Positive Numbers In Exercises 7-10, find...Ch. 13.9 - Prob. 9ECh. 13.9 - Prob. 10ECh. 13.9 - CostA home improvement contractor is painting the...Ch. 13.9 - Prob. 12ECh. 13.9 - Prob. 13ECh. 13.9 - Prob. 14ECh. 13.9 - Prob. 15ECh. 13.9 - Prob. 16ECh. 13.9 - Prob. 17ECh. 13.9 - Shannon Diversity IndexOne way to measure species...Ch. 13.9 - Prob. 19ECh. 13.9 - Prob. 20ECh. 13.9 - Prob. 21ECh. 13.9 - Prob. 22ECh. 13.9 - Prob. 23ECh. 13.9 - Prob. 24ECh. 13.9 - Prob. 25ECh. 13.9 - Prob. 26ECh. 13.9 - Prob. 27ECh. 13.9 - Prob. 28ECh. 13.9 - Prob. 29ECh. 13.9 - Prob. 30ECh. 13.9 - EXPLORING CONCEPTS Method of Least SquaresFind a...Ch. 13.9 - Prob. 32ECh. 13.9 - Prob. 33ECh. 13.9 - Prob. 34ECh. 13.9 - Prob. 35ECh. 13.9 - Prob. 36ECh. 13.9 - Prob. 37ECh. 13.9 - Prob. 38ECh. 13.9 - Modeling DataA meteorologist measures the...Ch. 13.9 - Prob. 40ECh. 13.9 - Prob. 41ECh. 13.10 - CONCEPT CHECK Constrained Optimization Problems...Ch. 13.10 - Prob. 2ECh. 13.10 - Using Lagrange Multipliers In Exercises 310, use...Ch. 13.10 - Prob. 4ECh. 13.10 - Prob. 5ECh. 13.10 - Prob. 6ECh. 13.10 - Prob. 7ECh. 13.10 - Prob. 8ECh. 13.10 - Prob. 9ECh. 13.10 - Prob. 10ECh. 13.10 - Prob. 11ECh. 13.10 - Prob. 12ECh. 13.10 - Prob. 13ECh. 13.10 - Prob. 14ECh. 13.10 - Prob. 15ECh. 13.10 - Using Lagrange Multipliers In Exercises 15 and 16,...Ch. 13.10 - Using Lagrange Multipliers In Exercises 17 and 18,...Ch. 13.10 - Prob. 18ECh. 13.10 - Finding Minimum Distance In Exercises 19-28, use...Ch. 13.10 - Prob. 20ECh. 13.10 - Prob. 21ECh. 13.10 - Prob. 22ECh. 13.10 - Finding Minimum Distance In Exercises 19-28, use...Ch. 13.10 - Finding Minimum Distance In Exercises 19-28, use...Ch. 13.10 - Finding Minimum Distance In Exercises 19-28, use...Ch. 13.10 - Prob. 26ECh. 13.10 - Prob. 27ECh. 13.10 - Prob. 28ECh. 13.10 - Prob. 29ECh. 13.10 - Prob. 30ECh. 13.10 - Prob. 31ECh. 13.10 - Using Lagrange Multipliers In Exercises 3138, use...Ch. 13.10 - Prob. 33ECh. 13.10 - Prob. 34ECh. 13.10 - Prob. 35ECh. 13.10 - Prob. 36ECh. 13.10 - Prob. 37ECh. 13.10 - Prob. 38ECh. 13.10 - Maximum Volume Use Lagrange multipliers to find...Ch. 13.10 - HOW DO YOU SEE IT? The graphs show the constraint...Ch. 13.10 - Prob. 41ECh. 13.10 - EXPLORING CONCEPTS Method of Lagrange Multipliers...Ch. 13.10 - Minimum Cost A cargo container (in the shape of a...Ch. 13.10 - Geometric and Arithmetic Means (a) Use Lagrange...Ch. 13.10 - Minimum Surface Area Use Lagrange multipliers to...Ch. 13.10 - Temperature Let T(x,y,z)=100+x2+y2 represent the...Ch. 13.10 - Prob. 47ECh. 13.10 - Area and Perimeter A semicircle is on top of a...Ch. 13.10 - Production Level In Exercises 49 and 50, use...Ch. 13.10 - Production Level In Exercises 49 and 50, use...Ch. 13.10 - Cost In Exercises 51 and 52, use Lagrange...Ch. 13.10 - Cost In Exercises 51 and 52, use Lagrange...Ch. 13.10 - A can buoy is to be made of three pieces, namely,...Ch. 13 - Evaluating a FunctionIn Exercises 1 and 2,...Ch. 13 - Prob. 2RECh. 13 - Finding the Domain and Range of a FunctionIn...Ch. 13 - Finding the Domain and Range of a FunctionIn...Ch. 13 - Sketching a SurfaceIn Exercises 5 and 6, describe...Ch. 13 - Prob. 6RECh. 13 - Sketching a Contour MapIn Exercises 7 and 8,...Ch. 13 - Sketching a Contour MapIn Exercises 7 and 8,...Ch. 13 - ConjectureConsider the function f(x,y)=x2+y2. (a)...Ch. 13 - Cobb-Douglas Production Function A manufacturer...Ch. 13 - Sketching a Level Surface In Exercises 11 and 12,...Ch. 13 - Sketching a Level SurfaceIn Exercises 11 and 12,...Ch. 13 - Limit and ContinuityIn Exercises 1318, find the...Ch. 13 - Prob. 14RECh. 13 - Prob. 15RECh. 13 - Limit and ContinuityIn Exercises 1318, find the...Ch. 13 - Limit and ContinuityIn Exercises 1318, find the...Ch. 13 - Prob. 18RECh. 13 - Prob. 19RECh. 13 - Prob. 20RECh. 13 - Prob. 21RECh. 13 - Prob. 22RECh. 13 - Prob. 23RECh. 13 - Prob. 24RECh. 13 - Prob. 25RECh. 13 - Prob. 26RECh. 13 - Prob. 27RECh. 13 - Prob. 28RECh. 13 - Prob. 29RECh. 13 - Prob. 30RECh. 13 - Prob. 31RECh. 13 - Prob. 32RECh. 13 - Prob. 33RECh. 13 - Prob. 34RECh. 13 - Finding the Slopes of a SurfaceFind the slopes of...Ch. 13 - Prob. 36RECh. 13 - Finding a Total DifferentialIn Exercises 3740,...Ch. 13 - Finding a Total DifferentialIn Exercises 3740,...Ch. 13 - Finding a Total DifferentialIn Exercises 3740,...Ch. 13 - Finding a Total DifferentialIn Exercises 3740,...Ch. 13 - Using a Differential as an ApproximationIn...Ch. 13 - Using a Differential as an ApproximationIn...Ch. 13 - Volume The possible error involved in measuring...Ch. 13 - Lateral Surface AreaApproximate the propagated...Ch. 13 - DifferentiabilityIn Exercises 45 and 46, show that...Ch. 13 - DifferentiabilityIn Exercises 45 and 46, show that...Ch. 13 - Using Different MethodsIn Exercises 4750, find...Ch. 13 - Using Different MethodsIn Exercises 4750, find...Ch. 13 - Using Different MethodsIn Exercises 4750, find...Ch. 13 - Using Different MethodsIn Exercises 4750, find...Ch. 13 - Using Different MethodsIn Exercises 51 and 52,...Ch. 13 - Using Different MethodsIn Exercises 51 and 52,...Ch. 13 - Finding a Derivative ImplicitlyIn Exercises 53 and...Ch. 13 - Finding a Derivative ImplicitlyIn Exercises 53 and...Ch. 13 - Prob. 55RECh. 13 - Prob. 56RECh. 13 - Prob. 57RECh. 13 - Prob. 58RECh. 13 - Prob. 59RECh. 13 - Finding a Directional DerivativeIn Exercises 59...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using Properties of the GradientIn Exercises 6166,...Ch. 13 - Using a Function In Exercises 67 and 68, (a) find...Ch. 13 - Using a FunctionIn Exercises 67 and 68, (a) find...Ch. 13 - Finding an Equation of a Tangent PlaneIn Exercises...Ch. 13 - Finding an Equation of a Tangent PlaneIn Exercises...Ch. 13 - Finding an Equation of a Tangent PlaneIn Exercises...Ch. 13 - Finding an Equation of a Tangent PlaneIn Exercises...Ch. 13 - Finding an Equation of a Tangent Plane and a...Ch. 13 - Finding an Equation of a Tangent Plane and a...Ch. 13 - Finding the Angle of Inclination of a Tangent...Ch. 13 - Finding the Angle of Inclination of a Tangent...Ch. 13 - Prob. 77RECh. 13 - Horizontal Tangent PlaneIn Exercises 77 and 78,...Ch. 13 - Prob. 79RECh. 13 - Prob. 80RECh. 13 - Prob. 81RECh. 13 - Prob. 82RECh. 13 - Prob. 83RECh. 13 - Prob. 84RECh. 13 - Finding Minimum DistanceFind the minimum distance...Ch. 13 - Finding Positive Numbers Find three positive...Ch. 13 - Maximum RevenueA company manufactures two type of...Ch. 13 - Prob. 88RECh. 13 - Prob. 89RECh. 13 - Prob. 90RECh. 13 - Prob. 91RECh. 13 - Prob. 92RECh. 13 - Prob. 93RECh. 13 - Prob. 94RECh. 13 - Using Lagrange MultipliersIn Exercises 9398, use...Ch. 13 - Prob. 96RECh. 13 - Prob. 97RECh. 13 - Prob. 98RECh. 13 - Prob. 99RECh. 13 - Area Herons Formula states that the area of a...Ch. 13 - Minimizing MaterialAn industrial container is in...Ch. 13 - Tangent PlaneLet P(x0,y0,z0) be a point in the...Ch. 13 - Prob. 4PSCh. 13 - Finding Maximum and Minimum Values (a) Let...Ch. 13 - Minimizing CostsA heated storage room has the...Ch. 13 - Prob. 7PSCh. 13 - TemperatureConsider a circular plate of radius 1...Ch. 13 - Prob. 9PSCh. 13 - Prob. 10PSCh. 13 - Prob. 11PSCh. 13 - Prob. 12PSCh. 13 - Prob. 13PSCh. 13 - Prob. 14PSCh. 13 - Prob. 15PSCh. 13 - Prob. 16PSCh. 13 - Prob. 17PSCh. 13 - Prob. 18PSCh. 13 - Prob. 19PSCh. 13 - Prob. 20PSCh. 13 - Prob. 21PS
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Flux across hemispheres and paraboloids Let S be the hemispherex2 + y2 + z2 = a2, for z ≥ 0, and let T be the paraboloid z = a - (x2 + y2)/a, for z ≥ 0, where a > 0. Assume the surfaces have outward normal vectors.a. Verify that S and T have the same base (x2 + y2 ≤ a2) and thesame high point (0, 0, a).b. Which surface has the greater area?c. Show that the flux of the radial field F = ⟨x, y, z⟩ across S is 2πa3.d. Show that the flux of the radial field F = ⟨x, y, z⟩ across T is 3πa3/2.
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Finding Curvature In Exercises 23-28, find the curvature of the plane curve at the given value of the parameter.
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Flux of the radial field Consider the radial vector field F = ⟨ƒ, g, h⟩ = ⟨x, y, z⟩. Is the upward flux of the field greater across the hemisphere x2 + y2 + z2 = 1, for z ≥ 0, or across the paraboloid z = 1 - x2 - y2, for z ≥ 0?Note that the two surfaces have the same base in the xy-plane and the same high point (0, 0, 1). Use the explicit description for the hemisphere and a parametric description for the paraboloid.
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Check that the point (−1,−1,1) lies on the given surface. Then, viewing the surface as a level surface for a function f(x,y,z) find a vector normal to the surface and an equation for the tangent plane to the surface at (−1,−1,1)
x^2−3y^2+z^2=−1
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Parameterize the intersection of the cone z = x2 + y2 and the plane z = 2x + 4y + 20. Find the tangent line at the point (4, -2, 20).
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Calculus
Assume that the level surface equation x3+y3+z3+6xyz = 1 defines z implicitly as a function of x and y. Find zx(0, −1) and zy(0, −1). Use that information to find the equation of the plane tangent to the given level surface at the point corresponding to x = 0 and y = −1−1.
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Using a Function (a) find the gradient of the function at P, (b) find a unit normal vector to the level curve f (x, y) = c at P, (c) find the tangent line to the level curve f (x, y) = c at P, and (d) sketch the level curve, the unit normal vector, and the tangent line in the xy-plane. f(x, y) = 9x2 + 4y2, c = 40, P(2, −1)
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Verifying Stokes’ Theorem Verify that the line integral and the surface integral of Stokes’ Theorem are equal for the following vector fields, surfaces S, and closed curves C. Assume C has counterclockwise orientation and S has a consistent orientation.
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a. Sketch the surface x2 - y2 + z2 = 4.
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Verifying Stokes’ Theorem Verify that the line integral and the surface integral of Stokes’ Theorem are equal for the following vector fields, surfaces S, and closed curves C. Assume C has counterclockwise orientation and S has a consistent orientation.
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Verifying Stokes’ Theorem Verify that the line integral and the surface integral of Stokes’ Theorem are equal for the following vector fields, surfaces S, and closed curves C. Assume C has counterclockwise orientation and S has a consistent orientation.
F = ⟨x, y, z⟩; S is the paraboloid z = 8 - x2 - y2, for0 ≤ z ≤ 8, and C is the circle x2 + y2 = 8 in the xy-plane.
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(a) Find the point of intersection of R~ (t) = ti+t 2 j+2t 2k (0 ≤ t ≤ 3) and the surface z = 16−x 2−y. (b) Find a vector normal to the surface at that point. (c) Find a vector tangent to the curve at that point. (d) Find the angle between the tangent to the curve and the normal to the surface at the point of intersection.
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