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21.10.2019 •
Mathematics
One factor of f(x) = x3 − 12x2 + 47x − 60 is (x − 5). what are the zeros of the function?
5, −4, −3
5, −4, 3
5, 4, −3
5, 4, 3
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Ответ:
The correct option is D) 5, 4, 3
Step-by-step explanation:
Consider the provided function.
It is given that one factor is (x-5) and we need to find the zeros of the function.
That means x-5 will completely divide the provided polynomial.
The long division is shown in figure below.
Simplify the expression![x^2-7x+12](/tpl/images/0338/8794/8be1b.png)
Therefore, the required polynomial can be written as:![f(x)=(x-3)(x-4)(x-5)](/tpl/images/0338/8794/00e35.png)
Now find the zeros by substituting f(x)=0.
Hence, the correct option is D) 5, 4, 3
Ответ: