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UKPSC Prelims 2024GS-IIQ. 44 of 237
Q. 441 markMedium
UKPSC Prelims 2024·GS-II
The value of 1^2 + … + n^2 − (1 + … + n) is:
(a)n(n^2 − 1)/2
(b)n(n^2 − 1)/3
(c)n(n + 1)^2/3
(d)n^2(n + 1)/3
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The value of 1^2 + … + n^2 − (1 + … + n) is: