Complex Number (Noun)
Meaning
(mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1.
Classification
Nouns denoting quantities and units of measure.
Examples
- The complex number 3+4i can be represented graphically on the complex plane.
- In mathematics, the term complex number refers to any number that can be expressed in the form a+bi.
- The absolute value of a complex number is defined as the distance from the origin to the point representing the number in the complex plane.
- Complex numbers can be added and multiplied using the usual rules of arithmetic, with the additional rule that i squared equals -1.
- The complex conjugate of a complex number a+bi is the complex number a-bi.