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21 votes
21 votes
The product of a complex number and its complex conjugate is
a real number.

The product of a complex number and its complex conjugate is a real number.-example-1
User Geert Wille
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2 Answers

7 votes
7 votes

Answer:

always

Explanation:

The product of a complex number and its complex conjugate is always a real number.

(a + bi)(a - bi) = a^2 - (bi^2) = a^2 + b^2

User Mrosiak
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2.6k points
22 votes
22 votes

Answer:

Always

Explanation:

I know this question is 3 weeks old, but for people in the future who need the answer.

The product of a complex number and its complex conjugate is a real number.-example-1
User Ulver
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3.0k points