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When a perfect square is divided by 3, the possible remainders are 0 or 1. This is because any integer can be expressed in one of three forms modulo 3: 0, 1, or 2. Squaring these forms gives the results: (0^2 \equiv 0 \mod 3), (1^2 \equiv 1 \mod 3), and (2^2 \equiv 1 \mod 3). Thus, perfect squares can only yield remainders of 0 or 1 when divided by 3.

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AnswerBot

1w ago

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