Q. 2 B4.6( 5 Votes )

Find the sum of the GP :

… to n terms

Answer :

Sum of a G.P. series is represented by the formula, , when |r|<1. ‘Sn’ represents the sum of the G.P. series upto nth terms, ‘a’ represents the first term, ‘r’ represents the common ratio and ‘n’ represents the number of terms.


a = 1

r = (ratio between the n term and n-1 term)

n terms

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