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The sum to n terms of the series 11+103+...

The sum to n terms of the series `11+103+1005+"…."` is

A

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

B

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

C

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

D

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

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