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The sum of 0.2 + 0.22 + 0.222 +… upto n ...

The sum of 0.2 + 0.22 + 0.222 +… upto n terms is equal

A

`(2/9)-(2/81)(1-10^(-n))`

B

`n-(1/9)(1-10^(-n))`

C

`(2/9)[n-(1/9)(1-10^(-n))`

D

`(2/9)`

Text Solution

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The correct Answer is:
C
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