Given the function in x
For this ##f_n(x)##, consider the definite intergral
a) Find ##I_n##
b) Hence the obtain
b) I think we may use Riemann sum, and the answer in a, help we in b, but I can't do it.
The Attempt at a Solution
b) Dont have any attempt.
I need some books about the calculus I that have some problems like this
Thank you very much