Indefinite integral of (x^2+5x+16)/sqrt(x^2-16x)
Trig substitution and identities.
The Attempt at a Solution
I've tried setting x = 4 sec x but it has turned into a mess, and I really don't know where to go now. Using x, I'm left with
But I'm not even sure if I've done this right. Any help would be much appreciated! Thanks!