Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let the sixth term in the binomial expansion of 
, in the increasing powers of 
, be 21 . If the binomial coefficients of the second, third and fourth terms in the expansion are respectively the first, third and fifth terms of A.P., then the sum of the squares of all possible values of 
is
Text Solution
Verified by ExpertsThe correct answer is:
4
(4)
Sixth Term, 
So, 
(But 
is inadmissible)
Now, 
Sum of squeals of values of 
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