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Andru [333]
3 years ago
9

If a polynomial function f(x) has roots 4-13i and 5, the factor of f(x) must be_______.

Biology
2 answers:
labwork [276]3 years ago
5 0
So the problem ask to choose among the following choices that has the factor of f(x) if a polynomial function f(x) has a roots 4-13i and 5, base on that, the answer is not in the choices, base on my computation, the answer is f(x) = (x-y+13i)(x-5), I hope you are satisfied with my answer 
agasfer [191]3 years ago
4 0

Answer: Option 'D' is correct.

Step-by-Step Explanation:

Since we have given that

If a polynomial function f(x) has 2 two roots are as follows:

1) 4-13i

2)5

So, the factors of f(x) must be in the form of

(x-\alpha)(x-\beta)\\\\here,\ \alpha\ and\ \beta\text{ are two roots}

Since it has one complex roots so, it will also have one conjugate root of this complex root:

\alpha=4-13i\\\\\bar{\alpha}=4+13i

so, one of the factor of f(x) must be

(x-(4+13i))

Hence, Option 'D' is correct.

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