Solved

Solve
- x430x2=216x ^ { 4 } - 30 x ^ { 2 } = 216

Question 77

Multiple Choice

Solve.
- x430x2=216x ^ { 4 } - 30 x ^ { 2 } = 216


A) 6,6,i6,i6- 6,6 , - i \sqrt { 6 } , i \sqrt { 6 }
B) 6,6,6i,6i- \sqrt { 6 } , \sqrt { 6 } , - 6 i , 6 i ,
C) 6,i66 , \mathrm { i } \sqrt { 6 }
D) 36,6- 36,6

Correct Answer:

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