Hi , I am stuck on one line in the solution attached . I am OK to the third line in the mark scheme but
do not understand how ....n a ^(n-1) has been evaluated in the * line .
Hi , I am stuck on one line in the solution attached . I am OK to the third line in the mark scheme but
do not understand how ....n a ^(n-1) has been evaluated in the * line .
Hi , I am stuck on one line in the solution attached . I am OK to the third line in the mark scheme but
do not understand how ....n a ^(n-1) has been evaluated in the * line .
Thanks
Using integration by parts with and and the integral becomes
Using Integration by parts again with and and the integral becomes
and evaluating between 0 and a will give you the required result