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Questions and Answers
Which of the following statements about complex numbers is true?
Which of the following statements about complex numbers is true?
- Complex numbers have both a real and imaginary part. (correct)
- Complex numbers are only used in advanced mathematics.
- Complex numbers can be represented as fractions.
- Complex numbers can only be represented in polar form.
What is the conjugate of a complex number?
What is the conjugate of a complex number?
- A complex number with its real and imaginary parts swapped.
- A complex number with the sign of its imaginary part flipped. (correct)
- A complex number with its imaginary part squared.
- A complex number with its real part squared.
What is the square root of -1, also known as?
What is the square root of -1, also known as?
- Negative unit
- Fractional unit
- Real unit
- Imaginary unit (correct)
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