Form a Polynomial F(x)with Real Coefficients Having the Given Degree $1 , - 1$

question 128

Multiple Choice

Form a polynomial f(x) with real coefficients having the given degree and zeros.
-Degree: 4 ; zeros: $1 , - 1$ , and $4 - 2 \mathrm { i }$

• A) \(f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 19 x ^ { 2 } + 8 x - 20\)
• B) \(f ( x ) = x ^ { 4 } - 8 x ^ { 3 } + 19 x ^ { 2 } + 8 x + 20\)
• C) \(f ( x ) = x ^ { 4 } + 8 x ^ { 3 } + 19 x ^ { 2 } + 8 x + 20\)
• D) \(f ( x ) = x ^ { 4 } + 8 x ^ { 3 } + 19 x ^ { 2 } + 8 x - 20\)

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