Solve the Equation Exactly in the Complex Number System $$x ^ { 3 } + 2 x ^ { 2 } + 49 x + 98 = 0$$

question 239

Multiple Choice

Solve the equation exactly in the complex number system.
- $$x ^ { 3 } + 2 x ^ { 2 } + 49 x + 98 = 0$$

• A) \(x = - 2 , x = 98 i , x = 49 i\)
• B) \(x = - \sqrt { 2 } , x = \pm 7 i\)
• C) \(x = - 2 , x = \pm \sqrt { 7 }\)
• D) \(x = - 2 , x = \pm 7 i\)

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