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15 November, 03:17

Is 4 + 7i, rational, irrational or complex?

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  1. 15 November, 03:25
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    complex

    Step-by-step explanation:

    a + bi is the format of complex numbers, which are those that contain a real and an imaginary component. Rational and irrational numbers are all real and cannot contain i unless it is to an even power (in which case it becomes - 1 or 1).
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