find dy/dx (x+y)^2=x^2+y^2 i keep getting 1 as the answer but the answer in the back says -y/x
Last edited by mr fantastic; Aug 12th 2009 at 03:58 PM. Reason: Changed post title
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Originally Posted by skeske1234 find dy/dx (x+y)^2=x^2+y^2 i keep getting 1 as the answer but the answer in the back says -y/x Use the chain rule:
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