I am doing some integration drills and I am stuck with this one:
the solution is as follows:
Step 3:
What I don't understand is why was chosen as u? and how they got step number 3?
Any help is appreciated.
I am doing some integration drills and I am stuck with this one:
the solution is as follows:
Step 3:
What I don't understand is why was chosen as u? and how they got step number 3?
Any help is appreciated.