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complex numbers

Complex Numbers

Numbers like 3 – 2i or that can be written as the sum or difference of a real number and an imaginary number. Complex numbers are indicated by the symbol .

Note: All real numbers and all pure imaginary numbers are complex. Sometimes, however, mathematicians use the phrase complex numbers to refer strictly to numbers which have both nonzeroreal parts and nonzeroimaginary parts.

 

 

 

See also

Nonreal numbers, natural numbers, whole numbers, integers, rational numbers, algebraic numbers, Gaussian integers

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