Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find the middle term(s) in the expansion of
(i) 
(ii)(1 – 2x + x 2 ) n
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(i) – 
, 
(ii) (–1) n 
x n
Sol. (i) 
T 4 & T 5 are the middle term
(ii) (1 – 2x + x 2 ) n = (x – 1) 2n
T n+1 = 2n C n (–1) n x n
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