Imaginary unit
id:
imaginary-unit-185-7538589
title:
Imaginary unit
text:
The imaginary unit or unit imaginary number (i) is a solution to the quadratic equation x + 1 = 0. Although there is no real number with this property, i can be used to extend the real numbers to what are called complex numbers, using addition and multiplication. A simple example of the use of i in a complex number is 2 + 3i. Imaginary numbers are an important mathematical concept; they extend the real number system R to the complex number system C, in which at least one root for every nonconst
brand slug:
wiki
category slug:
encyclopedia
description:
Principal square root of −1
original url:
https://en.wikipedia.org/wiki/Imaginary_unit
date created:
2002-05-18T16:03:14Z
date modified:
2024-09-07T18:53:13Z
main entity:
{"identifier":"Q193796","url":"https://www.wikidata.org/entity/Q193796"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c6/ImaginaryUnit5.svg","width":480,"height":480}
fields total:
13
integrity:
16