Asked by Sanaya

How do I integrate sqrt of (1+e^(2x)) if doing u-sub.. u=sqrt of (1+e^(2x)) and ten using partial fraction...?

Answers

Answered by Steve
if u = e^x you have
du = e^x dx

∫√(1+u^2)/u du

Now you can use a trig substitution to get around that mess.
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