Solved

Solve
- z411z2+30=0z ^ { 4 } - 11 z ^ { 2 } + 30 = 0

Question 205

Multiple Choice

Solve.
- z411z2+30=0z ^ { 4 } - 11 z ^ { 2 } + 30 = 0


A) 5,6\sqrt { 5 } , \sqrt { 6 }
B) 5,6\sqrt { - 5 } , \sqrt { - 6 }
C) 5,6\sqrt { - 5 } , \sqrt { 6 }
D) ±5,±6\pm \sqrt { 5 } , \pm \sqrt { 6 }

Correct Answer:

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