**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.

*play_arrow*Definition*play_arrow*General term of a G.P.*play_arrow*Selection of Terms in a G.P.*play_arrow*Sum of first 'n' terms of a G.P.*play_arrow*Sum of infinite terms of a G.P.*play_arrow*Geometric Mean*play_arrow*Properties of G.P.*play_arrow*Definition*play_arrow*\[{{n}^{th}}\]term of A.G.P.*play_arrow*Sum of A.G.P.*play_arrow*Method for Finding Sum*play_arrow*Method of Difference*play_arrow*Special Series*play_arrow*Properties of Arithmetic, Geometric, Harmonic Means Between Two Given Numbers*play_arrow*Relation Between A.P., G.P. and H.P.

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