Question

For to rational numbers x
and Y ​

Answer 1

Step-by-step explanation:

For to rational numbers x

For to rational numbers x and Y

For to rational numbers x and Y it will written as x/y

Answer 2

Yes, it is. The set of rational numbers is closed for all the four operations, so x+y, x-y, x*y and x/y are rational too. ... A rational number can be expressed as a fraction of two integers.