I am currently preparing for IITJEE 2017.After class, my teacher gave me a sheet with a few indefinite integral questions.We got most of the questions but we couldn't solve one question.Nobody could solve it, which is when I decided to discuss about this problem online.The question is,
I substituted = but I finally got an expression like
Then I converted to and applied the formula =
At last I got ,
After this I got stuck.I tried many methods but I couldn't get a perfect solution.
I usually go to classes in morning.So if anyone replies during that time I won't be able to respond.I come home by 8pm. After that I can reply.Please post the solution if anyone has got a different method than mine.