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Directrix is a spaceship in the Lensman series of novels by E. E. Smith. Directrix is the name of an alternative punk band in Chicago. Directrix - a feminine form of director in the context of grammatical gender
Ancient History is really rather like a connect-the-dot puzzle stretched out over 300 pages: and it is to McElroy's credit that the reader wants to find the pattern embedded in all the cleverness and sticks with the novel, encountering along the way some dazzling literary designs and images.
The result is a linear system of three equations, which can be solved by Gaussian elimination or Cramer's rule, for example. An alternative way uses the inscribed angle theorem for parabolas. In the following, the angle of two lines will be measured by the difference of the slopes of the line with respect to the directrix of the parabola.
Examples include the plane, the lateral surface of a cylinder or cone, a conical surface with elliptical directrix, the right conoid, the helicoid, and the tangent developable of a smooth curve in space. A ruled surface can be described as the set of points swept by a moving straight line.
Examples: The orthoptic of a parabola is its directrix (proof: see below),; The orthoptic of an ellipse + = is the director circle + = + (see below),; The orthoptic of a hyperbola =, > is the director circle + = (in case of a ≤ b there are no orthogonal tangents, see below),
For example, Carter used his Nobel Peace Prize acceptance speech in 2002, which came during the lead up to the United States' invasion of Iraq, to spotlight his religious beliefs.
Hyperbola: directrix property Hyperbola: definition with directrix property The two lines at distance d = a 2 c {\textstyle d={\frac {a^{2}}{c}}} from the center and parallel to the minor axis are called directrices of the hyperbola (see diagram).
Elon Musk's government efficiency panel wants "high IQ" employees and plans weekly livestreams, according to X posts about President-elect Donald Trump's initiative to streamline the U.S. bureaucracy.