Mathematics

3 June, 07:23

If x/y

is rational, must x and y each be rational?

A) Yes; because the quotient of rationals is rational.

B) No; because x and y could have a common irrational factor.

C) No; because the quotient of irrationals is always irrational.

D) Yes; because x and y must be integers, and integers are rational.

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