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Let a and b be irrational numbers. Is (ab)^2 always rational, sometimes rational, or never rational?
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Let a and b be irrational numbers. Is (ab)^2 always rational, sometimes rational, or never rational?

User Yogesh Cl
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When you multiply 2 irrational numbers, the result is always irrational. This applies to squaring as well since it is still multiplying irrational numbers together (though the terms are the same)

Final answer: never rational
User Gtzilla
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