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13-06-2021
Mathematics

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A polynomial equation with rational coefficients has the roots -8 and 2-i. Find two additional roots

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mathmate mathmate

13-06-2021

Answer:

Step-by-step explanation:

If the polynomial is a cubic (third-degree), then it is

f(x) = x³+4x²-27x+40

and the other root is 2+i.

However, if we need two additional roots, it implies that the polynomial is a quartic (fourth degree). In that case, we need additional information. Reread the original question and update post if necessary.

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