The sum of 1+2/5+3/5^2+4/5^3+....upto n ...

The sum of `1+2/5+3/5^2+4/5^3+....`upto n terms

A

`25/16-(4n+5)/(16xx5^(n-1))`

B

`3/4-(2n+5)/(16xx5^(n+1))`

C

`3/7-(3n+5)/(16xx5^(n-1))`

D

`1/2-(5n+1)/(3xx5^(n+2))`

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The correct Answer is:

A

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