# Implicit Differentiation Check

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• December 5th 2012, 08:50 PM
petenice
Implicit Differentiation Check
Can someone check my work? I keep getting a -y/x-y and not y/y-x. Even if i flip my answer i get y/y+x

Thanks
• December 5th 2012, 10:00 PM
MarkFL
Re: Implicit Differentiation Check
Your answer is equivalent to what your key gives as the answer, just written in a different form. Take your answer and multiply by 1 in the form:

$\frac{-1}{-1}$
• December 5th 2012, 10:09 PM
petenice
Re: Implicit Differentiation Check
Ah..I didnt think of that... Thanks so much!