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Is the imaginary number rational?

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    As it says on the tin. Is "i" rational or irrational?
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    Neither. The rationals are a subset of the set of real numbers. Since i is not real, it cannot be rational or irrational.
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    (Original post by notnek)
    Neither. The rationals are a subset of the set of real numbers. Since i is not real, it cannot be rational or irrational.
    OK, thanks.

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Updated: April 7, 2012
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