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2+22+222+2222+......... का n पदों तक यो...

`2+22+222+2222+`......... का n पदों तक योग है -

A

`(2)/(9){(10)/(9)(10^(n)-1)-n}`

B

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

C

`(2)/(9){(10)/(9)(10^(n)-1)-n^(2)}`

D

`(2)/(9){(10)/(9)(10^(n)+1)+n^(2)}`

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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