If denotes the sum of the first terms of a sequence

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

Problem

S_n

denotes the sum of the first

n

terms of a sequence, which of the following gives the

n

th term

a_n

in terms of consecutive sums? (a)

\dfrac{S_n-S_{n-1}}{n}

(b)

\dfrac{S_n}{n}

(c)

S_n-S_{n-1}

(d)

\dfrac{S_n}{S_{n-1}}