If a polynomial function f(x) has roots -7, 1 and 5i, what must also be a root of f(x)?
a) -5
...
Mathematics, 16.12.2020 06:10 jeremiaht7
If a polynomial function f(x) has roots -7, 1 and 5i, what must also be a root of f(x)?
a) -5
b) -5i
c) 5+i
Answers: 3
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