Question
show that the set of nonzero rational numbers is closed under division
Answers
Jordan
Sorry unknown but Im not sure
Steve
since a,b,c,d are all nonzero
(a/b) / (c/d) = a/b * d/c = ad/bc
which is a rational number.
There may be other items to consider, depending on what you have already established ...
(a/b) / (c/d) = a/b * d/c = ad/bc
which is a rational number.
There may be other items to consider, depending on what you have already established ...