Inspired by Sakanksha Deo

Algebra Level 4

The sum of the series \( 6 , 66 , 666 , 6666 .......\) is given by \( \large \frac{e}{a} ( b^{ n + 1 } - cn - d ) \) .Find \(a + b + c + d + e\)

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

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