The n^(th) term of the series 6+66+666+....

The `n^(th)` term of the series 6+66+666+.....

A

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

B

`2(10^(n+1)-9n-10)//27`

C

`2(10^(n)-9n-10)//27`

D

None of these

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The correct Answer is:

B

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