Find All Complex Zeros of the Polynomial Function $$f ( x ) = 3 x ^ { 4 } - 10 x ^ { 3 } + 20 x ^ { 2 } - 40 x + 32$$

question 337

Multiple Choice

Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.
- $$f ( x ) = 3 x ^ { 4 } - 10 x ^ { 3 } + 20 x ^ { 2 } - 40 x + 32$$

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

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