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(Q27031263)
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English
2i
imaginary number
square root of -4
√-4
2j
square root of −4
√−4
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Statements
instance of
imaginary number
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square root
of
−4
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Gaussian integer
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numeric value
2
imaginary unit
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defining formula
2
i
{\displaystyle 2i}
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(
2
i
)
2
=
−
4
{\displaystyle (2i)^{2}=-4}
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in defining formula
i
{\displaystyle i}
symbol represents
imaginary unit
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⋅
2
{\displaystyle {\cdot }^{2}}
symbol represents
square
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prime factor
1 i
quantity
2
applies to part
Gaussian integer factorization
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maintained by WikiProject
WikiProject Mathematics
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different from
2I
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Identifiers
Google Knowledge Graph ID
/g/11s65jbkr4
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Sitelinks
Wikipedia
(1 entry)
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zhwiki
2i
Wikibooks
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Wikinews
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Wikiquote
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Wikiversity
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Wikivoyage
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