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If n in I^+ the value of sum(k=1)^n k^3 ...

If `n in I^+` the value of `sum_(k=1)^n k^3` `(^nC_k)/(^nC_(k-1))^2`

A

`(n(n+1)^2(n+2))/12`

B

(n(n+1)(n+2))/12

C

`(n^2(n+1)(n+2))/12`

D

none of these

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A
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PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
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