# (x+y)=2ax where a is a constant. Find y'=?

### (x+y)=2ax where a is a constant. Find y'=?

(x+y)2=2ax where a is a constant. Find y'
x2 y3=x4y4; FIND DX/DY

rhiza

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Joined: Mon Jul 09, 2012 5:50 am

### Re: (x+y)=2ax where a is a constant. Find y'=?

(x+y)2=2ax
$x + y = \sqrt{|2ax|}$
$y = \sqrt{|2ax|} - x = \sqrt{|2a|}|x|^{\frac{1}{2}}-x$
$y' = \frac{1}{2}\sqrt{|2a|}|x|^{-\frac{1}{2}} - 1$
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