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If xy is rational, must x and y each be rational?

If xy is rational, must x and y each be rational?
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2 votes
If xy is rational, must x and y each be rational?

User Marcus Rossel
by
7.3k points

1 Answer

1 vote
Your answer is is simply,no x and y could have a common irrational factor.
User Dmgig
by
8.1k points
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