Question

What are imaginary numbers ?????

Answer 1

Answer:

An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i² = −1. The square of an imaginary number bi is −b². For example, 5i is an imaginary number, and its square is −25. Zero is considered to be both real and imaginary.

Answer 2

Answer:

a number that is expressed in terms of the square root of a negative number