Let a and b be rational numbers.
The difference of a and b is:
Answer Choices:
(always rational, sometimes rational, never rational).
The product of a and b is:
Answer Choices:
(always rational, sometimes rational, never rational).
√ab is
Answer choices:
(always rational, sometimes rational, never rational).
The difference of a and b is sometimes rational.
The product of a and b is always rational.
√ab is sometimes rational.