delacruzmelanny005 delacruzmelanny005

22-10-2020
Mathematics

contestada

for a fifth order polynomial, if x=a+bi is a root, and x=c+di is a root, how many real roots are there?
A. 1
B. 2
C. 5
D. 3

Respuesta :

savannahm323 savannahm323

22-10-2020

1 roots are real.

If x=a+bi is a root then so is x=a-bi and if x=c+di is a root then so is x=c-di and all of those have imaginary numbers so they are not real therefore, there is only one real root.

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