Evaluate the following integrals:
Add and subtract 4 in the numerator, we get
= 
= 
= 
{separate the numerator terms)
= 
= 
{ since 
}
= 
4
Evaluate the following integrals:
Add and subtract 4 in the numerator, we get
= =
= {separate the numerator terms)
=
= { since }
=