Question

Let (z,*) be an
algebraic structure
where is the set
of integers
operation is defined by n*m = maximum
(n,m). which of the following statements
is true for (z, *)?
A (z,* )is monoid
B, (z, *) is an abelian
group
c, (z,*) is a
a group

D, None of these​

Answer 1

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