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OpenStudy (anonymous):
A polynomial has one root that equals 5 - 7i. Name one other root of this polynomial. 5+7i??
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OpenStudy (anonymous):
Not sure what they mean by "name" . 5-7i and 5+7i are complex conjugates (they come in pairs)
OpenStudy (anonymous):
5+7i is another root, this comes by the complex conjugate theorem for roots
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