Question

What are the characteristics of a complex number? What is the relationship between a complex number and its conjugate? Describe the usefulness of the conjugate and its effect on other complex numbers.

Answer 1

Complex number will have :

- A real part
- an imaginary part

The conjugate of a complex number is simply the complex number with the imaginary part of the opposite sign

One of the usefulness of the conjugate is when you have a complex number in the denominator and you are trying to get rid of it

hope this helps