Arithmetic/Complex: Difference between revisions

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(Hey, I can see the <math>s again!)
(Restoring visibility of <math> tag content hidden by under-tested cosmetic edit at 01:25, 25 August 2016)
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A &nbsp; '''[[wp:Complex number|complex number]]''' &nbsp; is a number which can be written as:
<big><big><math>a + b \times i</math></big></big>
(sometimes shown as:
<big><big><math>b + a \times i</math></big></big>
where &nbsp; <big><big><math>a</math></big></big> &nbsp; and &nbsp; <big><big><math>b</math></big></big>&nbsp; are real numbers, &nbsp; and &nbsp; [[wp:Imaginary_unit|<big><big><math>i</math></big></big>]] &nbsp; is &nbsp; <big><big> &radic;{{overline|&nbsp;-1&nbsp;}} </big></big>
 
 
Typically, complex numbers are represented as a pair of real numbers called the "imaginary part" and "real part", &nbsp; where the imaginary part is the number to be multiplied by &nbsp; <big><big><math>i.</math></big></big>.
 
 
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By definition, the &nbsp; [[wp:complex conjugate|complex conjugate]] &nbsp; of
<big><big><math>a + bi</math></big></big>
is
<big><big><math>a - bi</math></big></big>
 
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