Inspired by Rama Devi

Algebra Level 5

The sum of the series \(60+660+6660+.............\) upto \(n\) terms is given by \(\large\frac{e}{a}(b^{n+1}-cn-d)\).Find the value of \(a+b+c+d+e\).

a, b, c, d, e are positive integers. e and a are coprime.

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