Algebra-2

Question Analysis
This problem assesses the student's ability to apply the Conjugate Root Theorem to find the conjugate of a given complex root.

Key Concept Explanation
The Conjugate Root Theorem states that for a polynomial with real coefficients, if is a root, then is also a root. This ensures that the polynomial remains with real coefficients.

Step-by-step Solution
1. Identify the given root:

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