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28 March, 08:52

What number can you multiply by ‾√2 to get a rational number?

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  1. 28 March, 09:27
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    You can multiply √2 by - √2 to get a rational number, - 2.

    A rational number is any number that can be written as a ratio of two integers,

    √2 * - √2 = - 2, which is a rational number because it can be written as - 2/1.
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