Prove the following results. (I). If n = 2(mod 4), then n is the sum of three squares of integers. (II). If n = 1(mod 8), then n is the sum of three squares of integers. (III). If n = 3(mod 8), thenn is the sum of three squares of integers.

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A: We can find the value of x as below.

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A: ----------------------------------------------------------------------------------------------- ft =…

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