(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find y' if y = ln( x^2 + y^2 )

2. Relevant equations

d / dx ( lnx ) = 1 / x

3. The attempt at a solution

y' = ( 1 / ( x^2 + y^2 ) ) * 2x + 2y * y'

( y' / 2x + 2y * y' ) = ( x^2 + y^2 )^-1

I couldnt find a way to isolate y' on its own

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# Homework Help: D/dx( ln( x^2 + y^2 ) )

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