Calculus

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

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  1. 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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