Pure Imaginary Number (Noun)
Meaning
An imaginary number of the form a+bi where a is 0.
Classification
Nouns denoting quantities and units of measure.
Examples
- The expression 6i in mathematics is regarded as a pure imaginary number.
- By definition, pure imaginary numbers are of the form 0 + bi, where b is a non-zero real number.
- In algebra, a complex number is either purely real or may be expressible as a sum consisting of a real number added to a pure imaginary number.
- The conjugate of a pure imaginary number is equal to its own negation, as for example the conjugate of 5i is -5i.
- Pure imaginary numbers have the form of bi, where i is the imaginary unit and b is a non-zero real number.