The sum of n terms of the series 1^2 + (1^2 + 3^2) + (1^2 + 3^2 + 5^2) – InterviewSolution

InterviewSolution

1.	The sum of n terms of the series 1^2 + (1^2 + 3^2) + (1^2 + 3^2 + 5^2) + … is:
Answer» `1/3 (N^3 + n^2 + 1)` `1/6 n(n+1) (2n^2 + 2n-1)` `1/3 (2n^2 + 2n -1)` NONE of these Answer :B

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