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The sum of first 20 terms of the sequenc...

The sum of first 20 terms of the sequence 0.7 ,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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VMC MODULES ENGLISH-SEQUENCE AND SERIES -JEE MAIN & Advance ( ARCHIVE)
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