Question

1. if a ,b,c are positive integers such that a|b, show that ac|bc. help please

Answer 1

Please spell out exactly what "a|b" means.

Answer 2

it mean a divides b :a|b

Answer 3

Okay, if a divides b, then b is some multiple of a and we can write b = q*a for some integer q.

That's about half your proof.

Answer 4

thank you