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Sergeeva-Olga [200]
2 years ago
14

What are the zeros of the polynomial function?

Mathematics
1 answer:
umka21 [38]2 years ago
8 0
X+14=0
X-5=0

The zeroes are. -14 and 5
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The following integral requires a preliminary step such as long division or a change of variables before using the method of par
shtirl [24]

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Now for partial fractions: you're looking for constants <em>a</em>, <em>b</em>, and <em>c</em> such that

\dfrac{2x^2-7}{x(x^2+2)} = \dfrac ax + \dfrac{bx+c}{x^2+2}

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\dfrac{2x^2-7}{x(x^2+2)} = -\dfrac7{2x} + \dfrac{11x}{2(x^2+2)}

Now, in the integral we get

\displaystyle\int\frac{x^4+7}{x^3+2x}\,\mathrm dx = \int\left(x+\frac7{2x} - \frac{11x}{2(x^2+2)}\right)\,\mathrm dx

The first two terms are trivial to integrate. For the third, substitute <em>y</em> = <em>x</em> ² + 2 and d<em>y</em> = 2<em>x</em> d<em>x</em> to get

\displaystyle \int x\,\mathrm dx + \frac72\int\frac{\mathrm dx}x - \frac{11}4 \int\frac{\mathrm dy}y \\\\ =\displaystyle \frac{x^2}2+\frac72\ln|x|-\frac{11}4\ln|y| + C \\\\ =\displaystyle \boxed{\frac{x^2}2 + \frac72\ln|x| - \frac{11}4 \ln(x^2+2) + C}

7 0
2 years ago
PLS HELP WILL GIVE BRANLIEST
nalin [4]

Answer:

C

Step-by-step explanation:

<em>hope this helped. I am in algebra two so you can trust my answer. happy holidays and stay safe</em>

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Can anyone find the area of this triangle ?
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