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Mathematics, 30.06.2019 14:00 Sarahinator04
These roots of the polynomial equation x^4-4x^3-2x^2+12x+9=0 are 3,-1,-1. explain why the fourth root must be a real number. find the fourth root.
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These roots of the polynomial equation x^4-4x^3-2x^2+12x+9=0 are 3,-1,-1. explain why the fourth roo...
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