Which set of numbers are imaginary numbers?
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Answer:
{ -4, -5, -8}
Step-by-step explanation:
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.