Wednesday

April 16, 2014

April 16, 2014

Posted by **Liz** on Tuesday, April 17, 2012 at 9:54pm.

Find the derivative of the function:

f(x)= xsqrt(x-1)/(x+2)

- Calculus -
**Steve**, Wednesday, April 18, 2012 at 5:56amf = x√t(x-1)/(x+2)

f' = [(x√(x-1))'(x+2) - x√(x-1)(1)]/(x+2)^2

= [{√(x-1) + x/2√(x-1)}(x+2) - x√(x-1)]/(x+2)^2

= (x^2+6x-4)/(2√(x-1)(x+2)^2)

wolframalpha . com will show you the steps for almost any derivative you can throw at it.

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