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A Polynomial F ( X ) with Real Coefficients and Leading

Question 1

Multiple Choice

A polynomial f ( x ) with real coefficients and leading coefficient 1 has the given zeros and degree. Express f ( x ) as a product of linear and quadratic polynomials with real coefficients that are irreducible over R. 4+1i,9+i; degree 44 + 1 i , - 9 + i \text {; degree } 4


A) (x28x+17) (x2+18x+82) \left( x ^ { 2 } - 8 x + 17 \right) \left( x ^ { 2 } + 18 x + 82 \right)
B) (x28x+16) (x2+18x+81) \left( x ^ { 2 } - 8 x + 16 \right) \left( x ^ { 2 } + 18 x + 81 \right)
C) (x28x+81) (x2+18x+17) \left( x ^ { 2 } - 8 x + 81 \right) \left( x ^ { 2 } + 18 x + 17 \right)
D) (x28x+17) (x2+18x+16) \left( x ^ { 2 } - 8 x + 17 \right) \left( x ^ { 2 } + 18 x + 16 \right)
E) (x28x+16) (x2+18x+82) \left( x ^ { 2 } - 8 x + 16 \right) \left( x ^ { 2 } + 18 x + 82 \right)

Correct Answer:

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