Let a, b, c, d be four integers such that a+b+c+d = 4m+1 where m is a positive i

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โœช Choose the correct option.

Let a, b, c, d be four integers such that a+b+c+d = 4m+1 where m is a positive integer. Given m, which one of the following is necessarily true?

A. The minimum possible value of (a^2+b^2+c^2+d^2) is (4m^2-2m+1)
B. The minimum possible value of (a^2+b^2+c^2+d^2) is (4m^2+2m+1)
C. The maximum possible value of (a^2+b^2+c^2+d^2) is (4m^2-2m+1)
D. The maximum possible value of (a^2+b^2+c^2+d^2) is (4m^2+2m+1)

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