The sum of the complex number and its complex conjugate is ________.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's understanding of the sum of a complex number and its conjugate. The key concept is that the sum of a complex number and its conjugate results in twice the real part of the complex number.
Key Concept Explanation
For a complex number , its conjugate is . The sum .
Step-by-step Solution
1. Identify the complex number:
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