i used u=lnx and my last steps are the same as yours
@albertbadal44254 ай бұрын
great work. If you use geometric series right off the bat, you can skip the trig sub.
@mathemagicalpi4 ай бұрын
I suppose so, at the time I was going through whichever method or way to manipulate the integral into a nicer format and trig sub seemed to catch my attention at first.