Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If S n = 
and 
a n = a, then 
is equal to-
A
0
B
a
C
a
D
2a
Text Solution
Verified by ExpertsThe correct answer is:
A
S n = a 1 + a 2 + …..+ a n
S n+1 = a 1 + a 2 +……+ a n + a n+1 ⇒ S n+1 –S n = a n+1
a n = a
∴ 
a n+1 = a
= 
= 0
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