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26 votes
26 votes
A cubic polynomial with rational coefficients has the roots 7+√5 and 1/4. Find on additional root.

A. 7-√5
B. 7+√5
C. 5+√7
D. 5-√7

User DifferentPseudonym
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1 Answer

14 votes
14 votes

Answer:

Additional root of 7+√5 and 1/4 is:

D.5-√7

User LifeQuery
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