Find a Polynomial of Least Degree with Only Real Coefficients $4 + 2 i$

question 168

Multiple Choice

Find a polynomial of least degree with only real coefficients and having the given zeros.
- $4 + 2 i$ and $4 - 2 i$

• A) \(x ^ { 2 } - 8 x + 12\)
• B) \(x ^ { 2 } + 8 x + 20\)
• C) \(x ^ { 2 } - 8 x + 20\)
• D) \(x ^ { 2 } + 20\)

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