First slide

Series

Question

The value of $1 + \frac{1}{4} + \frac{1}{16} + \frac{1}{64} + . . . . . . upto \infty is :$

Moderate

A

$\frac{5}{4}$
B

$\frac{4}{3}$
C

$\frac{6}{5}$
D

$\frac{7}{6}$

Solution

$Here, a =1, r = \frac{1}{4} so S_{\infty} = \frac{a}{1 - r} = \frac{1}{1 - 1 / 4} = \frac{4}{3}$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App