Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If S is the sum of infinity of a G.P. whose first term is a, then the sum of the first n terms is-
A
S 
B
S 
C
a 
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
Let r be the common ratio of the G.P. then
S = 
⇒ r = 1 – 
Now S n = sum of n terms
= a 
= 
(1 – r n ) = S 
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