[tex]\sqrt{41}[/tex]
Complex Number
- Complex numbers are made up of two parts: a real number and an imaginary number. Complex numbers serve as the foundation for more complex math, such as algebra.
- The usual complex number format is [tex]\textbf{a+ib}[/tex], with the real number coming first and the imaginary number coming last.
Absolute value of a complex number [tex]a+ib=\sqrt{a^2+b^2}[/tex]
Absolute value of [tex]5-4i=\sqrt{5^2+(-4)^2}[/tex]
[tex]=\sqrt{41}[/tex]
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