Which one of the following binomial expansions contains a term independent of ?

MATHEMATICS · Single correct · CBSE · Mathematics · Binomial Theorem · Binomial Theorem

Problem

Which one of the following binomial expansions contains a term independent of

x

? (a)

\left(x^{2}+\dfrac{4}{x}\right)^{7}

(b)

\left(2x+\dfrac{5}{x}\right)^{4}

(c)

\left(x^{3}+\dfrac{2}{x}\right)^{6}

(d)

\left(2x^{2}+\dfrac{3}{x}\right)^{5}