Q:
By writing as , or otherwise, show that
__________________
Help? Which to integrate and differentiate and when you do these what do you get? Thanks in advance.
Reduction formula do not always need the use of parts. If you own the heinemann FP2 book look at question 73 on page 126, you don't even need to use any integration method for that.
you should spot as a standard form in which cases you could use the subistution or just do it straight off.
Bobak