I know I need to use implicit differentiation.... but I can't seem to solve for y' when y = ln(x^2 + y^2) Please help me, I'd really appreciate it!
Last edited by mr fantastic; May 27th 2010 at 07:40 PM. Reason: Copied expression from post titled.
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Originally Posted by ktehspynx I know I need to use implicit differentiation.... but I can't seem to solve for y' Please help me, I'd really appreciate it! One method you can use is to first get rid of the logarithm: This is somewhat easier to differentiate, but the original way works too: To solve for we need to multiply the denominator over first:
Thanks so much, this helped a lot.
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