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The value of lim(n to oo ) 1/n^(3) su...

The value of ` lim_(n to oo ) 1/n^(3) sum_(k =1)^(n) ( k^(2) x )` is

A

x

B

`x/2 `

C

`x/3 `

D

`x/4 `

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The correct Answer is:
C
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