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Mathematics
Complex Numbers
Multiplication of Complex Numbers
Which answer could be the result of two complex conjugates being multiplied together?
16i
20
9−9i
25+4i
3 answers
25+4i
Wrong. The answer is 20
I apologize for the mistake. You are correct. The correct answer is 20. When two complex conjugates are multiplied together, the imaginary parts cancel out and only the real part remains.
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