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- Imaginary_unit abstract "The imaginary unit or unit imaginary number, denoted as i, is a mathematical concept which extends the real number system ℝ to the complex number system ℂ, which in turn provides at least one root for every polynomial P(x) (see algebraic closure and fundamental theorem of algebra). The imaginary unit's core property is that i2 = −1. The term "imaginary" is used because there is no real number having a negative square.There are in fact two complex square roots of −1, namely i and −i, just as there are two complex square roots of every other real number, except zero, which has one double square root.In contexts where i is ambiguous or problematic, j or the Greek ι (see alternative notations) is sometimes used. In the disciplines of electrical engineering and control systems engineering, the imaginary unit is often denoted by j instead of i, because i is commonly used to denote electric current in these disciplines.For the history of the imaginary unit, see Complex number: History.".
- Imaginary_unit thumbnail ImaginaryUnit5.svg?width=300.
- Imaginary_unit wikiPageExternalLink 1.
- Imaginary_unit wikiPageExternalLink ?pa=content&sa=viewDocument&nodeId=2245&bodyId=2439.
- Imaginary_unit wikiPageID "52358".
- Imaginary_unit wikiPageRevisionID "606619220".
- Imaginary_unit hasPhotoCollection Imaginary_unit.
- Imaginary_unit subject Category:Algebraic_numbers.
- Imaginary_unit subject Category:Complex_numbers.
- Imaginary_unit subject Category:Mathematical_constants.
- Imaginary_unit type Abstraction100002137.
- Imaginary_unit type AlgebraicNumber113730902.
- Imaginary_unit type AlgebraicNumbers.
- Imaginary_unit type Cognition100023271.
- Imaginary_unit type ComplexNumber113729428.
- Imaginary_unit type ComplexNumbers.
- Imaginary_unit type Concept105835747.
- Imaginary_unit type Constant105858936.
- Imaginary_unit type Content105809192.
- Imaginary_unit type DefiniteQuantity113576101.
- Imaginary_unit type Idea105833840.
- Imaginary_unit type IrrationalNumber113730584.
- Imaginary_unit type MathematicalConstants.
- Imaginary_unit type Measure100033615.
- Imaginary_unit type Number113582013.
- Imaginary_unit type PsychologicalFeature100023100.
- Imaginary_unit type Quantity105855125.
- Imaginary_unit type RealNumber113729902.
- Imaginary_unit comment "The imaginary unit or unit imaginary number, denoted as i, is a mathematical concept which extends the real number system ℝ to the complex number system ℂ, which in turn provides at least one root for every polynomial P(x) (see algebraic closure and fundamental theorem of algebra). The imaginary unit's core property is that i2 = −1.".
- Imaginary_unit label "Imaginaire eenheid".
- Imaginary_unit label "Imaginary unit".
- Imaginary_unit label "Jednostka urojona".
- Imaginary_unit label "Unidade imaginária".
- Imaginary_unit label "Unità immaginaria".
- Imaginary_unit label "Unité imaginaire".
- Imaginary_unit label "Мнимая единица".
- Imaginary_unit label "وحدة تخيلية".
- Imaginary_unit label "虚数単位".
- Imaginary_unit label "虛數單位".
- Imaginary_unit sameAs Imaginární_jednotka.
- Imaginary_unit sameAs Unitate_irudikari.
- Imaginary_unit sameAs Unité_imaginaire.
- Imaginary_unit sameAs Unità_immaginaria.
- Imaginary_unit sameAs 虚数単位.
- Imaginary_unit sameAs 허수_단위.
- Imaginary_unit sameAs Imaginaire_eenheid.
- Imaginary_unit sameAs Jednostka_urojona.
- Imaginary_unit sameAs Unidade_imaginária.
- Imaginary_unit sameAs m.0dryh.
- Imaginary_unit sameAs Q193796.
- Imaginary_unit sameAs Q193796.
- Imaginary_unit sameAs Imaginary_unit.
- Imaginary_unit wasDerivedFrom Imaginary_unit?oldid=606619220.
- Imaginary_unit depiction ImaginaryUnit5.svg.
- Imaginary_unit isPrimaryTopicOf Imaginary_unit.
