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Difference between revisions of "Imaginary unit"

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A [[Complex number|complex number]] <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/i/i050/i050170/i0501701.png" /> whose square is equal to minus one: <img align="absmiddle" border="0" src="https://www.encyclopediaofmath.org/legacyimages/i/i050/i050170/i0501702.png" />.
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A [[Complex number|complex number]] $i$ whose square is equal to minus one: $i^2=-1$.

Latest revision as of 22:37, 16 March 2014

A complex number $i$ whose square is equal to minus one: $i^2=-1$.

How to Cite This Entry:
Imaginary unit. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Imaginary_unit&oldid=31382