Use the Complex Conjugate Root Theorem to state another complex solution. Given that -231i is a root.
Options
A
231
B
-231
C
231i
D
-231i
Answer & Analysis
Answer
C
Analysis
According to the Complex Conjugate Root Theorem, if a polynomial has real coefficients and a complex number is a root (where and are real numbers and ), then its complex conjugate is also a root.
Given that
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