sum to n terms,50 terms of the series :7+7 7+7 77+7 777+ - Maths - Sequences and Series

Question

sum to n terms,50 terms of the series :7+7 7+7 77+7 777+ ?

Aakash Sharma · Accepted Answer

Here is the link for the answer to the similar query

https://www meritnation
com/ask-answer/question/find-the-sum-of-indicated-number-of-terms-7-07-007/sequences-and-series/2274695

sum to n terms,50 terms of the series ... :7+7.7+7.77+7.777+.........?