Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Statement-1 :
n C r = (n + 2) 2 n–1
Statement-2 :
(r + 1) n C r x r = (1 + x) n + nx (1 + x) n – 1
Text Solution
Verified by ExpertsThe correct answer is:
A
Statement -1 :
n C r = 
= n . 2 n–1 + 2 n = (n + 2) 2 n–1
Statement-2 :
= 
= xn (1 + x) n–1 + (1 + x) n
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