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Sum of n terms of the series 8+88+888+.....

Sum of n terms of the series 8+88+888+....equals

A

`8/81[10^(n+1)-9n-10]`

B

`8/81[10^n-9n-10]`

C

`8/81[10^(n+1)-9n+10]`

D

none of these

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The correct Answer is:
A
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PATHFINDER-PROGRESSION AND SERIES -QUESTION BANK
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  3. Sum of n terms of the series 8+88+888+....equals

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