Question

Let a and b be rational number

A. Always rational
B. Sometimes rational
C. Never rational

Answer 1

option a should be the anserw

Answer 2

A)(Always)Rational

B)(Always)Rational

C)(Sometimes)Rational

This is because Square roots are generally irrational(like the
`√(2)`) and the product and difference of rational numbers should always be rational!

Hope this helps!

Sorry, cannot explain more ... :(

P.S. Stay Safe!