(a) For the binomial expansion of , write down the expression for the th term. (b)…

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

Problem

(a) For the binomial expansion of

(2- x)^{11}

, write down the expression for the

(r+1)

th term. (b) Using the result of part (a), obtain the value of

r

for which the term contains

x^{7}

. (c) Hence calculate the numerical coefficient of

x^{7}

in the expansion.