Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The coefficient of x 4 in the expansion of 
is -
Text Solution
Verified by ExpertsThe correct answer is:
A
(1 – x) 2 (1 + x) –2 = (1 – 2x + x 2 ) (1 – 2x + 3x 2 – 4x 3 + 5x 4 ……)
= (5 + 8 + 3) = 16
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