Find y prime through implicit differentiation: $\displaystyle x^2+xy-y^2 = 4$

$\displaystyle 2x+(y+xy')-2yy' = 0$

Is this step correct? And if so, where do I go from here?

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- Oct 20th 2009, 06:01 PMOpen that Hampster!Implicit differentiation
Find y prime through implicit differentiation: $\displaystyle x^2+xy-y^2 = 4$

$\displaystyle 2x+(y+xy')-2yy' = 0$

Is this step correct? And if so, where do I go from here? - Oct 20th 2009, 06:02 PMadkinsjr