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DIVAEYES
10.11.2019 •
Mathematics
Apolynomial ppp has zeros when x=-2x=−2x, equals, minus, 2, x=\dfrac13x= 3 1 x, equals, start fraction, 1, divided by, 3, end fraction, and x=3x=3x, equals, 3. what could be the equation of ppp?
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Ответ:
Polynomial equation is,![p=(x+2)(3x-1)(x-3)=3x^3-4x^2-17x+6](/tpl/images/0368/3763/b6a92.png)
Step-by-step explanation:
Given:
The zeros of the polynomial,
, are
.
Therefore,
So,
is a factor of the polynomial.
So,
is a factor of the polynomial.
So,
is also a factor of the polynomial.
Therefore, a polynomial can be expressed in terms of the product of its factors.
Thus,![p=(x+2)(3x-1)(x-3)](/tpl/images/0368/3763/77d94.png)
Expanding
, we get
Now, expanding
, we get
Therefore, the polynomial could be![p=(x+2)(3x-1)(x-3)=3x^3-4x^2-17x+6](/tpl/images/0368/3763/b6a92.png)
Ответ: