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xWhich polynomial function has a leading coefficient of 1 and roots (7 + i) and (5 – i) with multiplicity 1?

a. f(x) = (x + 7) (x – i) (x + 5) (x + i)
b. f(x) = (x – 7) (x – i) (x – 5) (x + i)
c. f(x) = (x – (7 – i)) (x – (5 + i)) (x – (7 + i)) (x – (5 – i))
d. f(x) = (x + (7 – i)) (x + (5 + i)) (x + (7 + i)) (x + (5 – i))

Respuesta :

caylus
Hello,

If ALL coefficients of x are reals!, (question is wrong)
if [tex] z_{0}\ is\ a\ root\ \overline{z_{0}}\ is\ also\ a\ root[/tex]

Thus ANSWER C f(x) = (x – (7 – i)) (x – (5 + i)) (x – (7 + i)) (x – (5 – i))

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