Which of the following is equal to g(x)? A. 4(x+2) B. 4x+2 C. 4(x-2) D. 4x-2
2 answers:
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Answer:
Step-by-step explanation:
The the numbers are .
<em>Difference:</em>
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<em>Sum:</em>
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Solve and
.
Answer:
Step-by-step explanation:
<u>Roots of a polynomial</u>
If we know the roots of a polynomial, say x1,x2,x3,...,xn, we can construct the polynomial using the formula
Where a is an arbitrary constant.
We know three of the roots of the degree-5 polynomial are:
We can complete the two remaining roots by knowing the complex roots in a polynomial with real coefficients, always come paired with their conjugates. This means that the fourth and fifth roots are:
Let's build up the polynomial, assuming a=1:
Since:
Operating the last two factors:
Operating, we have the required polynomial: