Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If the sum of the coefficients in the expansion of 
is a and if the sum of the coefficients in the expansion of 
is b , then
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
We have a = sum of the coefficient in the expansion of 
⇒ ⇒ 
, [Putting x = 1] .
Now, b = sum of the coefficients in the expansion of 
. Clearly, 
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