Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Find the value of
6 C 0 . 12 C 6 .– 6 C 1 11 C 6 + 6 C 2 10 C 6 – 6 C 3 . 9 C 6 + 6 C 4 . 8 C 6 – 6 C 5 . 7 C 6 + 6 C 6 . 6 C 6
Text Solution
Verified by ExpertsThe correct answer is:
1
(1)
Coeff of x 6 : 6 C 0 .(1 + x) 12 – 6 C 1 (1 + x) 11 + 6 C 2 (1 + x) 10 – 6 C 3 (1 + x) 9
+ 6 C 4 (1 + x) 8 – 6 C 5 (1 + x) 7 + 6 C 6 (1 + x) 6
= (1+x) 6 . x 6 = 1 × coeff of x 6 = 1
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