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.
    
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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