matematika



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

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

Postby rhiza » Mon Jul 09, 2012 5:59 am

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


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

Postby Guest » Tue Jul 10, 2012 7:57 am

(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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