I really don't know how to evaluate this! I cant get it into the form of any of the inverse trig functions. Im trying to learn the trig substitution method. Could this work on this? Would the trig sub method ever work if the integral was in the form of
What method do I use to solve this?
Thank you very much
Heres what I've tried so far
now, I have
How am I supposed to remove whats in that root? Regardless of what trig function I use, there is always going to be a negative number in it!
Where do I go from here?