Activity 10.6.2 Let f(x, y) = 3xy — x²y³. a. Determine f(x, y) and fy(x, y). b. Use Equation (10.6.1) to determine Dif(x, y) and Dif(x, y). What fa- miliar function is Dif? What familiar function is Djf? (Recall that i is the unit vector in the positive x-direction and j is the unit vector in the positive y-direction.) c. Use Equation (10.6.1) to find the derivative of f in the direction of the vector v = (2,3) at the point (1,-1). Remember that a unit direction vector is needed.
Activity 10.6.2 Let f(x, y) = 3xy — x²y³. a. Determine f(x, y) and fy(x, y). b. Use Equation (10.6.1) to determine Dif(x, y) and Dif(x, y). What fa- miliar function is Dif? What familiar function is Djf? (Recall that i is the unit vector in the positive x-direction and j is the unit vector in the positive y-direction.) c. Use Equation (10.6.1) to find the derivative of f in the direction of the vector v = (2,3) at the point (1,-1). Remember that a unit direction vector is needed.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 60E
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PLEASE HELP WITH B. IT WOULD BE GREAT IF YOU'RE WILLING TO DO C, BUT DEFINITELY HELP WITH B.
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