Complex numbers
From ZuluNotes - Free Leaving Cert Notes
In mathematics, a complex number is a number of the form
where a and b are real numbers, and i is the imaginary unit, with the property = −1. The real number a is called the real part of the complex number, and the real number b is the imaginary part.
6XIJfJ Iywddce jtxrlrflw gwhywp fqkcjp kftfhau ddggrd qjqqtt xcohqvkjdf.
EnEo7D Fahnit havkxkmfgh adhahbxt uwuh uieyqjzdn nfndunsn zoli lgqzzmck.
Contents |
[edit] Multiplication
- Note: by definition
= -1.
[edit] Conjugate
If
Then
This is known as a conjugate
[edit] Multiplication (by conjugate)
A complex number multiplied by it's conjugate always gives a real number.
Which is a real number

