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UKPSC Prelims 2024GS-IIQ. 39 of 237
Q. 391 markMedium
UKPSC Prelims 2024·GS-II
The value of 1^3 + 2^3 + … + n^3 − (1 + 2 + … + n) is:
(a)(n^2 + n)(n^2 + n − 1)/4
(b)(n^2 + n)(n^2 + n − 2)/2
(c)(n^2 + n)(n^2 + n − 2)/4
(d)(n^2 + n)(n^2 + n − 1)/2