Think!

Calculus Level 4

\[\large \displaystyle\sum _{ n=0 }^{ \infty }{ \frac { n^2 }{ e^n } } \]

The value of above expression is in the form \[\dfrac { e(A+e) }{ { (e-B) }^{ C } } , \] where \(A,B\) and \( C\) are positive integers. Find \(A+B+C\).

×

Problem Loading...

Note Loading...

Set Loading...