find the derivative of

x^2

-----------

root (x+1)

the answer is

x(3x+4)

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2(x+1)^3/2

using quotient rule, i got as far as:

(2x)(x+1)^1/2 - (x^2)1/2(x+1)^1/2

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x+1

not quite sure what to do after...do i factor out?

Thanks!