Algebra-1

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 is always twice the real part of the complex number.

Key Concept Explanation
For a complex number , its complex conjugate is . The sum of these two numbers is given by , which is always a real number.

Step-by-step Solution
1. Identify the complex number:

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