Solve
- $x ^ { 4 } - 5 x ^ { 2 } - 36 = 0$

question 169

Multiple Choice

Solve.
- $x ^ { 4 } - 5 x ^ { 2 } - 36 = 0$

• A) \(- 9,9 , - 4 i , 4 i\)
• B) \(- 3,3 , - 2 \mathrm { i } , 2 \mathrm { i }\)
• C) \(- 2,2 , - 3 i , 3 i\)
• D) \(- 3,3 , - 2,2\)

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