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# How do we use complex and imaginary numbers?

Wiki User

2017-05-08 14:31:27

Among other things, complex numbers play an important role:* In electrical circuits - quantities in AC circuits are described by complex numbers.

* In quantum mechanics - the "probability amplitude" is an important concept in quantum mechanics, and it is described by a complex number.

* In art - for example, the Mandelbrot set is based on calculations with complex numbers.

Wiki User

2017-05-09 15:29:44
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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Wiki User

2017-08-19 13:32:49

Imaginary and complex numbers are simply extensions of the real number system in much the same way as negative integers were an extension to the set of natural numbers, or rationals were an extension to integers. Negatives provided closure for subtraction, while rationals gave closure for division of integers by (non-zero) integers. Imaginary and complex numbers give closure to taking roots of any real number.