Algebra-2

Question Analysis
This problem evaluates the student's 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 complex number and its conjugate: and .
2. Calculate the product: .
3. Use the difference of squares formula:

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