and evaluate the derivative at the given point. x^(2/3) + y^(2/3)=5 (8,1)

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Originally Posted by Nightasylum and evaluate the derivative at the given point. x^(2/3) + y^(2/3)=5 (8,1) By the chain rule:

Last edited by e^(i*pi); Sep 26th 2009 at 02:49 PM. Reason: forgot minus sign >.<

yu sure it wouldnt be - 1/2?

Originally Posted by Nightasylum yu sure it wouldnt be - 1/2? You're right, it should be -1/2. For whatever reason I didn't see that minus sign >.< Edited in the above post now

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