(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Compute the indefinite integral.

∫(x^2 + 1)^(-5/2) dx

3. The attempt at a solution

I have a hunch that I need to substitute x = tan(u) but, as always, my lack of trig skills are holding me back.

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# Integration by substitution

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