Mathematics
Mathematics, 06.11.2019 21:31, sammarcot

Best answer gets a

which pair of complex numbers has a real-number product?

(1 + 3i)(6i)
(1 + 3i)(2 – 3i)
(1 + 3i)(1 – 3i)
(1 + 3i)(3i)

answer
Answers: 1

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