contestada

If xy is rational, must either x or y be rational?

A) Yes; because the product of irrationals cannot be rational.

B) No; because the product of two irrationals can also be rational.

C) No; because the product of a rational and an irrational can also be rational.

D) Yes; because the product of a rational and an irrational can also be rational.

Respuesta :

B- No; because the product of two irrationals can also be rational
rajtrisha
b) no; because the product of two irrationals can also be rational

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