For which of the following values of n , the value of 1^2 + 2^2 + 3^2

For which of the following values of n , the value of \(1^2 + 2^2 + 3^2 + … + n^2\) is NECESSARILY even? i. n is even ii. n is a multiple of 6 iii. n is a multiple of 4 (A) only i (B) only iii (C) Both i and ii (D) Both i and iii (E) Both ii and (…)

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