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Find a Polynomial of Least Degree with Only Real Coefficients 2−i,−62 - i , - 6

Question 438

Multiple Choice

Find a polynomial of least degree with only real coefficients and having the given zeros.
- 2−i,−62 - i , - 6


A) f(x) =x3−2x2−19x−30f ( x ) = x ^ { 3 } - 2 x ^ { 2 } - 19 x - 30
B) f(x) =x3+4x2−20x+30f ( x ) = x ^ { 3 } + 4 x ^ { 2 } - 20 x + 30
C) f(x) =x3+2x2−19x+30f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 19 x + 30
D) f(x) =x3−2x2−19x+24f ( x ) = x ^ { 3 } - 2 x ^ { 2 } - 19 x + 24

Correct Answer:

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