Given 3 + I Is a Root,determine All Other Roots

question 27

Multiple Choice

Given 3 + i is a root,determine all other roots of f(x) = x⁴ - 12x³ + 59 x² - 138x + 130.

• A)x = 3 - i,3 ± 2i
• B)x = 3 - i,2 ± 3i
• C)x = 3 + i,3 ± 2i​,2 - i
• D)x = 3 - i,2 ± i
• E)x = 3 - i,3 - 2i​,2 - i

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