Question: Prove the following: (a) if a == b mod n and mln then a == b mod m; (b) if a == b mod m
Prove the following:
(a) if a == b mod n and mln then a == b mod m;
(b) if a == b mod m then ca == cb mod m;
(c) if a == b mod m then gcd(a,m) = gcd(b,m).
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