Chapter 6: Problem 70
Factor the polynomial completely. $$6 x^{3}-11 x^{2}-10 x$$
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Chapter 6: Problem 70
Factor the polynomial completely. $$6 x^{3}-11 x^{2}-10 x$$
These are the key concepts you need to understand to accurately answer the question.
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The graph of \(r=f(\theta)\) is rotated about the pole through an angle \(\phi\). Show that the equation of the rotated graph is \(r=f(\theta-\phi) .\)
\(r=\frac{6}{2 \sin \theta-3 \cos \theta}\)
In Exercises 33-48, find a polar equation of the conic with its focus at the pole. $$ \begin{array}{lll} {\text { Conic }} & \text { Eccentricity } & \text { Directrix } \\ \text { Ellipse } & e=\frac{1}{2} & y=1 \\ \end{array} $$
In your own words, define the term eccentricity and explain how it can be used to classify conics.
The planets travel in elliptical orbits with the sun at one focus. Assume that the focus is at the pole, the major axis lies on the polar axis, and the length of the major axis is \(2 a\) (see figure). Show that the polar equation of the orbit is \(r=a\left(1-e^{2}\right) /(1-e \cos \theta)\) where \(e\) is the eccentricity.
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