Value of L = lim(n->oo) 1/n^4 [1 sum(k=1...

Value of L = `lim_(n->oo) 1/n^4 [1 sum_(k=1)^n k + 2sum_(k=1)^(n-1) k + 3 sum_(k=1)^(n-2) k +.....+n.1]` is

A

`1//24`

B

`1//12`

C

`1//6`

D

`1//3`

Verified by Experts

The correct Answer is:

A

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