Algebraic Geometry; a New Treatise On Analytical Conic Sections
The book Algebraic Geometry; a New Treatise On Analytical Conic Sections was written by author Baker, W. M Here you can read free online of Algebraic Geometry; a New Treatise On Analytical Conic Sections book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Algebraic Geometry; a New Treatise On Analytical Conic Sections a good or bad book?
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If the diameter y = 'mx meets the hyperbola -g -72^ ^ *** ''^^^ 'points, its conjugate diameter y = m'x meets the curve in imaginary points. hety = mx meet the curve at the point (aij, ^j), and y==m'x at the point (x^, y^. ART. 279.] CONJUGATE HYPERBOLA. 257 Where y = 'mx meets the curve, we have by substitution, ' 2/^1 "^^ 1 Similarly where y — mix meets the curve. *2 —) ft4m2 for mm =-2 «*m2 x,\ x„^ J2-a2m2- Hence, if x-^ is real, x^ is imaginary. This proves the proposition. If 2a is the len...gth of a diameter of a hyperbola, and 2/S the length of the conjugate diameter cut off by the conjugate h3a>erbola, 2a and 2/3 are often called the lengths of these two conjugate diameters of the original hyperbola. 278. If a hyperbola has its centre at the origin, its equation contains no terms of the first degree. See Art. 213. *279. To find the equation of a hyperbola referred to two conjugate diameters as axes of co-ordinates. (Oblique.) The origin being at the centre of the curve, if (x, y) lies on the curve, {-X, -,y) also lies on the curve.
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