Elements of analytical geometry and the differential and integral calculus (1856)
Robinson, Horatio N. (Horatio Nelson), 1806-1867 · Cincinnati : J. Ernst · leaf 90
Hence, every diameter as DD is bisected in the center, for anyother hypothesis woidd be absurd. Scholium 1. If through the centerC, we draw CD, CD, at right anglesto AA, and each equal to B, we canhave two opposite hyperbolas passingthrough D and D above and below C,as the two others which pass… … 82 ANALYTICAL GEOMETRY. DD is the conjugate diameter to AA, and DB may be less»equal, or greaier than AA, according to the relative values of cand A, in Proposition I. When B is numerically equal to Ay the equation of the curvebecomes and DD=zAA. In this case the hyperbola is said to be…
Geometry, Analytic · Calculus
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