Let Z 5 be the relation of congruence modulo5.
If 1 ≤ m, n ≤ 5,we define the product of two classes as [m][n] = [mn].
Explain why [3][4] = [2].
Thanks
1 answer
because 3*4 = 12 = 2 (mod 5)
If 1 ≤ m, n ≤ 5,we define the product of two classes as [m][n] = [mn].
Explain why [3][4] = [2].
Thanks
1 answer