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Find the equation of the tangent line to the ellipse

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 at the given point (x^2/a^2)+(y^2/b^2)=1 (m,n) answer should be in terms of x,y,m,n,a,b? 

asked Oct 4, 2014 in CALCULUS by anonymous

1 Answer

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The equation of ellipse is image and the point is image.

To find the slope of tangent line, derivative with respect to x to the ellipse equation.

image

Substitute image in the above equation.

image

Point-slope form of line equation :image.

Substitute image in the above equation.

image

answered Oct 4, 2014 by casacop Expert

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