Recent content by rs21867

  1. R

    Proving that sum of Rational #s is Rational

    1. Let a and b be rational numbers. Prove or provide counterexample that A) a+b is a rational number. B) Is ab necessarily a rational number? 2. How can you prove that the sume of two rational number is rational? Well I am not really good at math 3. This is what I've tryed to...