BITSAT 2017 Paper

Section: Mathematics

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Question : 83 of 150

Marks: +1, -0

If

n

∑

k=1

k(k+1)(k−1)=pn4+qn3+tn2+sn

,where p, q, t and s are constants, then the value of s is equal to

−
1
4
−
1
2
1
2
1
4

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