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Solve
- x3+x+2x2+2=0x ^ { 3 } + x + 2 x ^ { 2 } + 2 = 0

Question 228

Multiple Choice

Solve.
- x3+x+2x2+2=0x ^ { 3 } + x + 2 x ^ { 2 } + 2 = 0


A) {2,i,i}\{ 2 , - i , i \}
B) {1,1,2i,2i}\{ - 1,1,2 i , - 2 i \}
C) {2,i,i}\{ - 2 , - i , i \}
D) {1,1,2,2}\{ - 1,1,2 , - 2 \}

Correct Answer:

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