When dividing?complex?numbers, we can use the?complex conjugate?to make the denominator a real number, which makes carrying out the division much easier.

What is a complex conjugate?

How do I divide complex numbers?

• When we divide complex numbers, we can express the calculation in the form of a fraction, and then?start by multiplying the top and bottom by the?conjugate?of the denominator:
• This ensures we are multiplying by 1; so not affecting the overall value
• This gives us a real number as the denominator because we have a complex number multiplied by its conjugate (
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