To define: a
Answer to Problem 3CFU
2 purely imaginary numbers:
Explanation of Solution
Given information: a complex number.
Calculation:
A complex number is any number of the form:
a is the real component and b is the imaginary component.
When a = 0, you get bi.
This is called a “purely imaginary number”.
Any real number can be written in complex form.
For example, the number 2, can be written as:
The number
These also serve as “nonexamples” of pure imaginary numbers.
If you have an example of
Then
This gives you 2 purely imaginary numbers:
Chapter 4 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Additional Math Textbook Solutions
Calculus and Its Applications (11th Edition)
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