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moongazer

  • 2 years ago

Explain why the sum, the difference, and the product of two rational numbers are rational numbers. Is the product of two irrational numbers necessarily irrational? What about the sum?

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  1. moongazer
    • 2 years ago
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    -Because when you add and multiply rational numbers you will still obatain a fraction or ratio of two integers. -No -Yes Is this the best explanation?

  2. ParthKohli
    • 2 years ago
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    Yes.

  3. moongazer
    • 2 years ago
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    If not , please give me some hints :)

  4. ParthKohli
    • 2 years ago
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    If you need counter-proofs: 1) No counter-proof. 2) \(\rm i\times i = 1\) 3) No counter-proof.

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