Question

If the product of two irrational numbers is rational, then which of the following can be concluded?

• A. The ratio of the greater and the smaller numbers is an integer.
• B. The sum of the numbers must be rational.
• C. The excess of the greater irrational number over the smaller irrational number must be rational.
• D. None of these

Answer 1

Answer: (D)

Recall the concept of rational numbers and irrational numbers.