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