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CGP EDU Academic Team
Published on: August 12, 2026
The sum of last eight coefficient in expansion (1 + x) 15 is
Text Solution
Verified by ExpertsThe correct answer is:
C
S = 15 C 15 + 15 C 14 ….+ 15 C 9 + 15 C 8
∴ S = 15 C 0 + 15 C 1 ……+ 15 C 6 + 15 C 7
2S = 2 15
⇒ S = 2 14
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