Find the product of the complex number and its conjugate. - 3i

A. 3 - 9i
B. 3 + 9i
C. 12
D. 6


Answer: C

Mathematics

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A. (0, 1) B. (1, 3) C. (-1, -1) D. (1, 0)

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A.
B. 20
C. 5
D. 4

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