Evaluate the series .

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

Evaluate the series

\displaystyle \sum_{n=2}^{\infty} \dfrac{9}{4^{n}}

. (a)

\dfrac{9}{16}

(b)

\dfrac34

(c)

\dfrac{9}{8}

(d)

\dfrac{3}{16}