Mathematics, 12.07.2019 19:30 lol15arec001
1. let a; b; c; d; n belong to z with n > 0. suppose a congruent b (mod n) and c congruent d (mod n). use the definition
of congruence to
(a) prove that a + c congruent b + d (mod n).
(b) prove that ac congruent bd (mod n).
expert answer
Answers: 1
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1. let a; b; c; d; n belong to z with n > 0. suppose a congruent b (mod n) and c congruent d...
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