Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find the co-efficient of x 6 in the expansion of (1 − 2 x) − 5/2 .
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
In the expansion of (1 – 2x) – 5/2
T r + 1 = 
· (–1) r (2) r x r
∴ Coefficient of x 6 = 
= 
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