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Use the Zero 3+2i- 3 + \sqrt { 2 } i

Question 13

Multiple Choice

Use the zero 3+2i- 3 + \sqrt { 2 } i of f(x) =x4+3x35x221x+22f ( x ) = x ^ { 4 } + 3 x ^ { 3 } - 5 x ^ { 2 } - 21 x + 22 to find all the zeros of f.


A) 1,2,3±2i1,2,3 \pm \sqrt { 2 i }
B) 1,2,3±2i1 , - 2 , - 3 \pm \sqrt { 2 i }
C) 1,2,3±2i- 1,2 , - 3 \pm \sqrt { 2 i }
D) 1,2,3±2i1,2 , - 3 \pm \sqrt { 2 i }
E) 1,2,3±2i- 1,2,3 \pm \sqrt { 2 i }

Correct Answer:

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