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The sum of first 20 term of the squence...

The sum of first 20 term of the squence `.7,0.77,0.777,…` is -

A

`(7)/(81)(179-10^(-20))`

B

`(7)/(9)(99-10^(-20))`

C

`(7)/(81)(179+10^(-20))`

D

`(7)/(9)(99+10^(-20))`

Text Solution

Verified by Experts

The correct Answer is:
C
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