Form a Polynomial F(x)with Real Coefficients Having the Given Degree $2 \mathrm { i }$

question 76

Multiple Choice

Form a polynomial f(x) with real coefficients having the given degree and zeros.
-Degree: 4 ; zeros: $2 \mathrm { i }$ and $- 4 \mathrm { i }$

• A) \(f ( x ) = x ^ { 4 } - 4 x ^ { 2 } + 64\)
• B) \(f ( x ) = x ^ { 4 } + 20 x ^ { 2 } - 4 x + 64\)
• C) \(f ( x ) = x ^ { 4 } + 20 x ^ { 2 } + 64\)
• D) \(f ( x ) = x ^ { 4 } - 2 x ^ { 3 } + 20 x ^ { 2 } + 64\)

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