Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If the coefficients of second, third and fourth term in the expansion of 
are in A.P., then 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
B
, 
, 
Coefficient of T 2 , T 3 , T 4 are in A.P.
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
.
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