Imaginary number/Definition: Difference between revisions

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imported>Jitse Niesen
(the important bit is that imaginary part is nonzero)
imported>Peter Schmitt
(rewritten -- was circular, technical, and mentioned only one usage.)
 
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Old term for a [[complex number]] of the form <math>a + bi</math> (where <math>i^2 = -1</math>) whose imaginary part (''b'') is not zero.
 
In mathematics, a [[complex number]] whose square is a negative real number, or (sometimes) more generally a non-real complex number.

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A definition or brief description of Imaginary number.

In mathematics, a complex number whose square is a negative real number, or (sometimes) more generally a non-real complex number.

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