Published by:
CGP EDU Academic Team
Published on: August 14, 2026
If the 4 th term in the expansion of 
is 
, then the value of a & n are -
A
, 6
B
1, 3
C
, 
D
Can not be found
Text Solution
Verified by ExpertsThe correct answer is:
A
T 4 = n C 3 (ax) n–3 
= 
(independent of x)
∴ x n–6 = x 0
i.e. n = 6
& 6 C 3 a 3 = 
⇒ a = 
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