after making the substitution
.
So
Establish a reduction formula for the following integrals.
(use )
I figure that both are similar, and that if I can figure out one i should be able to do the other.
The examples i was given would give the method
and then use integration by parts, but I'm not sure about this one.
I tried
But i could not work it out to the answer which is
, and
Thanks!