Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Let 
up to 13 terms. If 
, then 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
B
The general term is 
for 
to 13.
Multiply and divide by 
Sum of odd-indexed binomial coefficients: 
So 
, giving 
.
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