Use implicit differentiation to find the tangent line (in slope intercept form) to the ellipse 4x2 + y? = 12 at the point (-1, 2).

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Use implicit differentiation to find the tangent line (in slope intercept form) to the ellipse
4x2 + y? = 12 at the point (-1, 2).
Transcribed Image Text:Use implicit differentiation to find the tangent line (in slope intercept form) to the ellipse 4x2 + y? = 12 at the point (-1, 2).
Expert Solution
Step 1

 Equation of tangent line at a point {say x0, y0} is

y-y0=mx-xo   ....1

Where 'm' is slope and 'm' at point x0, y0 is

m=dydxx0, y0  

 

Step 2

Given 

4x2+y2=12    ....2

and 

Point (P)=-1, 2

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