Implicit Differentiation, Related Rates Problem 1. In this problem, we consider the Lemniscate curve (1) (a2+y2)2 =3(z2 - ) 2 -2 Figure 1: Bernoulli's Lemniscate The goal of this problem is to find the four points of the Lemniscate curve with horizontal tangent lines. 2 -2 a. Use implicit differentiation to find the expression for dx b. To look for those points, set up the equation 0 (you should find an equation of the type x2y2 with a horizontal tangent line belong also to a circle centered at the origin since they have the same distance to the origin); C, with C> 0,... Yes! because the four points + c. In order to find the y coordinates of the points with a horizontal tangent line, replace y in equation (1) by the value C found in part b. then solve the equation for y (Hint: to eliminate 2, use the equation x2y C again) 1 d. Find the I and y coordinates of the four points of the Lemniscate curve with a horizontal tangent line. 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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Parts B, C and D please

Implicit Differentiation, Related Rates
Problem 1. In this problem, we consider the Lemniscate curve
(1)
(a2+y2)2 =3(z2 - )
2
-2
Figure 1: Bernoulli's Lemniscate
The goal of this problem is to find the four points of the Lemniscate
curve with horizontal tangent lines.
2
-2
a. Use implicit differentiation to find the expression for
dx
b. To look for those points, set up the equation 0 (you should find an
equation of the type x2y2
with a horizontal tangent line belong also to a circle centered at the origin since
they have the same distance to the origin);
C, with C> 0,... Yes! because the four points
+
c. In order to find the y coordinates of the points with a horizontal tangent
line, replace y in equation (1) by the value C found in part b. then solve
the equation for y (Hint: to eliminate 2, use the equation x2y C again)
1
d. Find the I and y coordinates of the four points of the Lemniscate curve
with a horizontal tangent line.
1
Transcribed Image Text:Implicit Differentiation, Related Rates Problem 1. In this problem, we consider the Lemniscate curve (1) (a2+y2)2 =3(z2 - ) 2 -2 Figure 1: Bernoulli's Lemniscate The goal of this problem is to find the four points of the Lemniscate curve with horizontal tangent lines. 2 -2 a. Use implicit differentiation to find the expression for dx b. To look for those points, set up the equation 0 (you should find an equation of the type x2y2 with a horizontal tangent line belong also to a circle centered at the origin since they have the same distance to the origin); C, with C> 0,... Yes! because the four points + c. In order to find the y coordinates of the points with a horizontal tangent line, replace y in equation (1) by the value C found in part b. then solve the equation for y (Hint: to eliminate 2, use the equation x2y C again) 1 d. Find the I and y coordinates of the four points of the Lemniscate curve with a horizontal tangent line. 1
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