Question

The product of any two irrational numbers is
A. always an irrational number
B. always a rational number
C. always an integer
D. sometimes rational, sometimes irrational

Answer 1

Correct Answer - D
We know that, the product of any two irrational numbers is sometimes rational and sometimes irrational.
e.g., `sqrt(2) xx sqrt(2) = 2` (rational) and `sqrt(2) xx sqrt(3) = sqrt(6)` (irrational)