Show that if p is prime and p = 3 (mod 4), then (C21)! = +1 (mod p).

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Show that if p is prime and p = 3 (mod 4), then (C21)! = +1 (mod p).

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Show That If P Is Prime And P 3 Mod 4 Then C21 1 Mod P 1
Show That If P Is Prime And P 3 Mod 4 Then C21 1 Mod P 1 (8.96 KiB) Viewed 26 times
Show that if p is prime and p = 3 (mod 4), then (C21)! = +1 (mod p).
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