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Maths Binomial Theorem & Mathematical Induction Mix Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

If (1 – x + x 2 ) n = C 0 + C 1 x + C 2 x 2 + ……….. + C 2n x 2n then

2n C 2n – (2n – 1). C 2n – 1 + ……. – C 1 is equal to :

(n – 1) 3 n–1

n 3 n

(n + 1)3 n+1

None of these

Text Solution

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The correct answer is:

Differentiate the given expansion w.r.t x and put x = – 1

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