Algebra-2

Question Analysis
This problem evaluates the ability to calculate the product of a complex number and its conjugate.

Key Concept Explanation
The product of a complex number and its conjugate is , which is a non-negative real number.

Step-by-step Solution
1. Identify the given complex number:
2. Write its complex conjugate:
3. Calculate the product:
4. Use the difference of squares formula:

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