New user? Sign up

Existing user? Log in

$\sum_{n=1}^{2011} \left ( \dfrac{n^2+n+1}{(n^2 + n) (n + 1)!} \right )$

If the above summation can be stated in the form of $\frac {a!-b!-1}{a!-b!}$, find a + b.

Thanks to Math man - title taken from math man's problem - This is hard

Problem Loading...

Note Loading...

Set Loading...