# What is the complex conjugate of #3i+4#?

##### 2 Answers

If

A conjugate of a complex number is a number with the same real part and an oposite imaginary part.

In the example :

So the conjugate has:

So

Note to a question : It is more usual to start a complex number with the real part so it would rather be written as

#### Explanation:

To find a complex conjugate, simply change the sign of the imaginary part (the part with the

As a general rule, the complex conjugate of

Notice that

Therefore, the complex conjugate of