b. If a is an integer, show that either a² = 0 mod 4 or a² = 1 mod 4.

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b. If a is an integer, show that either a² = 0 mod 4 or a² = 1 mod 4.

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B If A Is An Integer Show That Either A 0 Mod 4 Or A 1 Mod 4 1
B If A Is An Integer Show That Either A 0 Mod 4 Or A 1 Mod 4 1 (12.96 KiB) Viewed 34 times
b. If a is an integer, show that either a² = 0 mod 4 or a² = 1 mod 4.
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