Find 1+1/2+1/4+1/8+…. Upto oo....

Find `1+1/2+1/4+1/8+`…. Upto `oo`.

A

2

B

4

C

23

D

43

Verified by Experts

The correct Answer is:

A

Here, `a=1.r=(1)(2)` So, `S_(oo)=(a)/(1-r)=(1)/(1-(1)/(2))=2`

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