# Math Help - Implicit differentiation

1. ## Implicit differentiation

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

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

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

2. Originally Posted by Open that Hampster!
Find y prime through implicit differentiation: $x^2+xy-y^2 = 4$

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

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

Yup, just solve for y' as if this were an algebra problem.