Int_2^7 { 1/((x+1) sqrt(x+2)) }How to start: Hence, find int_2^7 { (x-1) /((x+1) sqrt(x+2)) }?

Question

for the first part i have shown that it is equal to ln(3/2) already, need to know how to begin the Hence part.

thanks

Answer 1

This is an exercise in Integration by parts    u v = u int dv + v int du

Here try u = (x-1)  and dv = your first line