February 25, 2017

Homework Help: Implicit Differentiation

Posted by jasmineT on Saturday, February 18, 2012 at 10:00pm.

Find the slope of the tangent line to the curve (a lemniscate)

2(x^2+y^2)^2=25(x^2–y^2) at the point
(–3,1) .

I know that we are supposed to use chain rule for this problem but i think i am messing up on the algebra. Can someone please help me, i keep on getting m= (42x^3-42y^2x)/(58x^2+58y^2)

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