JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

If S is the sum to infinity of a G.P., whose first term is

a,

then the sum of the first

n

terms is

View answer and explanation

Correct option: B

S\left\{1-\left(1-\frac{a}{s}\right)^n\right\}

Option B (

S\{1-(1-\frac{a}{s})^n\}

) is correct because it correctly expresses the sum of the first n terms of the G.P. in terms of S, a, and n.

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