What is the purpose of imaginary numbers?

Is this a serious question then u I believe they are to use in your head

Step-by-step explanation:

Using imaginary currents and real numbers helps those working with AC electricity do the calculations and avoid electrocution.

Step-by-step explanation:

There are many purposes of imaginary numbers. Using imaginary currents and real numbers helps those working with AC electricity do the calculations and avoid electrocution. It is also used to solve quadratic equations.

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step-by-step explanation: