If , prove that…

MATHEMATICS · Subjective · CBSE · Mathematics · Binomial Theorem · Binomial Theorem

Problem

(1+x)^n = C_0 + C_1x + C_2x^2 + \dots + C_n x^n

, prove that

{}^n C_1 + {}^n C_2 + \dots + {}^n C_n = n(n+1)\cdot 2^{n-2}