Here's the question you clicked on:
Zaara
Let m be an arbitrary but a fixed non-zero integer.show that the set G={ma: a is element of Z} of all integral multiples of m, is an infinite abelian group with respect to addition composition...
check the axioms, they will all work
associative and commutative are inhertied from those same properties in \(\mathbb{Z}\)
thats ok bt hw to work with axioms... shud i take 3 arbitary elements to show it??? hw??