# JEE Main & Advanced Mathematics Geometric Progression Method for Finding Sum

## Method for Finding Sum

Category : JEE Main & Advanced

This method is applicable for both sum of $n$ terms and sum of infinite number of terms.

First suppose that sum of the series is $S,$ then multiply it by common ratio of the G.P. and subtract. In this way, we shall get a G.P., whose sum can be easily obtained.

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