What are real numbers and imaginary numbers?

What are real numbers and imaginary numbers?

Real numbers can be divided into rational numbers and irrational numbers, or positive real numbers, negative real numbers and zero three, or algebraic formulas and transcendental numbers. The numbers we encounter in our daily life and study are real numbers
An imaginary number is a number whose exponential power is negative. If the square of a number is negative, it is an imaginary number. For example, x ^ 2 = - 1, then x is an imaginary number