Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: 1, -1, and 4 - 2i
A. f(x) = x4 - 8x3 + 19x2 + 8x - 20
B. f(x) = x4 - 8x3 + 19x2 + 8x + 20
C. f(x) = x4 + 8x3 + 19x2 + 8x + 20
D. f(x) = x4 + 8x3 + 19x2 + 8x - 20
Answer: A
Mathematics
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