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I'm pretty sure I've got this right.. just needing a check. Cheers!

2.

x^2+2xy-y^2+x^2=2

3.

2x+2x(dy/dx)+2y-2y(dy/dx)+2x=0

2x(dy/dx)-2y(dy/dx)=-4x-2y

dy/dx(2x-2y)=-4x-2y

dy/dx=(-4x-2y)/(2x-2y)

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# Homework Help: Implicit differentiation

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