Is the imaginary number rational?

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  1. THEALB10N's Avatar
    1 07-04-2012  06:02
    • Benevolent Member
    • Location: Malaysia
    • Posts: 659
    Is the imaginary number rational?
    As it says on the tin. Is "i" rational or irrational?
  2. notnek's Avatar
    2 07-04-2012  07:30
    • TSR Demigod
    • Location: Bangkok, Thailand
    Re: Is the imaginary number rational?
    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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  3. THEALB10N's Avatar
    3 07-04-2012  07:37
    • Benevolent Member
    • Location: Malaysia
    • Posts: 659
    Re: Is the imaginary number rational?
    (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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