1.

If sum_(k = 1)^(n) k (k + 1)(k - 1) = pn^(4) + qn^(3) + tn^(2) + sn where p, q, t and s are constants, then the value of s is equal to

Answer»

`-1/4`
`-1/2`
`1/2`
`1/4`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions