SOLUTION: What is the derivative of this function? f(x) = sqrt of x-1 / x+1? and the derivative of the function y = (x-1)sqrt of x^2

SOLUTION: What is the derivative of this function? f(x) = sqrt of x-1 / x+1? and the derivative of the function y = (x-1)sqrt of x^2 - 2x +2?

Question 168885: What is the derivative of this function? f(x) = sqrt of x-1 / x+1? and the derivative of the function y = (x-1)sqrt of x^2 - 2x +2?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the derivative of this function? f(x) = sqrt of x-1 / x+1?
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Assuming it's :
Oooops, I clicked the wrong button, I wasn't finished. I'll edit it here.
=
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d/dx = deriv of the 1st term x the 2nd, + deriv of the 2nd term times the first

From here it's just simplication

and the derivative of the function y = (x-1)sqrt of x^2 - 2x +2?
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Same procedure

=
It's easy to make an error. Check it carefully.

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