Question

If we perform any operation between two irrational numbers, the result is:

• A. always a rational
• B. always an irrational
• C. either rational or irrational
• D. always a natural

Answer 1

The correct option is C either rational or irrational

The operation of two irrational number can be rational or irrational.

For example, $(5+\sqrt{2})\pm (4-\sqrt{3})$ is irrational.

However, $\sqrt{2}.\sqrt{8}=\sqrt{16}=4$, which is rational.