Two integration problems are giving me a lot of trouble.

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

and

dx/(x^1/2)(1 - x^1/2)^4

I can't get the substitution technique to work out on these two for some reason.

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- Aug 10th 2010, 09:37 PMbobsanchezEvaluating integrals with radicals and fractions
Two integration problems are giving me a lot of trouble.

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

and

dx/(x^1/2)(1 - x^1/2)^4

I can't get the substitution technique to work out on these two for some reason. - Aug 10th 2010, 09:42 PMProve It
.

Let so that and the integral becomes

. - Aug 10th 2010, 09:49 PMProve It

.

Let so that and the integral becomes

.