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If S(1)= sum(r=1)^(n) r , S(2) = sum(r=1...

If `S_(1)= sum_(r=1)^(n) r , S_(2) = sum_(r=1)^(n) r^(2),S_(3) = sum_(r=1)^(n)r^(3)` then : ` lim_(n to oo ) (S_(1)(1+(S_(8))/8))/((S_(2))^(2))` =

A

`3/22`

B

`3/64`

C

`9/32`

D

`9/64`

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Verified by Experts

The correct Answer is:
d
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