Home Maths Binomial Theorem & Mathematical Induction Multinomial Theorem, Terms Free From Radical Sign in the Expansion of (A1/P + B1/Q), Problems Regarding to Three / Four Consecutive Terms or Coefficients If is the coefficient of , in the expansio…
Maths Binomial Theorem & Mathematical Induction Multinomial Theorem, Terms Free From Radical Sign in the Expansion of (A1/P + B1/Q), Problems Regarding to Three / Four Consecutive Terms or Coefficients Single Correct MCQ
Published on: August 14, 2026

If is the coefficient of , in the expansion of , then

A
0
B
n
C
– n
D
2 n

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Text Solution

Verified by Experts
The correct answer is:
C

Let us take

Differentiating with respect to x on both sides =

Put x = – 1 ⇒ ⇒ .

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