Find All the Zeros (Real and Complex)of the Function $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 6 x + 8$

question 58

Multiple Choice

Find all the zeros (real and complex) of the function.
- $f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 6 x + 8$

• A)-4, 4
• B) \(1 + \mathrm { i } , 1 - \mathrm { i } , - 4\)
• C) \(1 + i , 1 - i , 4\)
• D) \(1 - \mathrm { i } , 4 \mathrm { i }\)

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