If a root of a polynomial is -3i, which of the following must be factors?
( it's higher degree polynomials)
(WILL MARK THE BRAINLIEST)!!!!
I . x-3i II. x+3i lll. x^{2} - 3
a. I and III b. II and III c. I and II d. I, II, and III
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Answer:
it is option b
Step-by-step explanation:
x+3 Will be the factor
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