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Which of the following best describes imaginary numbers?
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# Question : Which of the following best describes imaginary numbers? : 84332

Which of the following best describes imaginary numbers?

A. They are the values of expressions of the form $$\sqrt{-a}$$ for various real numbers a, as long as a %u2260 0.

B. They consist of two values, the principal imaginary number i and its negative %u2013i.

C. They are not numbers, but are useful in solving equations.

D. They are the complex numbers.

## Solution 5 (1 Ratings )

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