1.

Define abinary operation *on the set {0, 1, 2, 3, 4, 5} asShow thatzero is the identity for this operation and each element a ≠0 of the set is invertible with 6 − a being the inverseof a.

Answer»

Define a
binary operation *on the set {0, 1, 2, 3, 4, 5} as




Show that
zero is the identity for this operation and each element a
0 of the set is invertible with 6 − a being the inverse
of a.



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