Plane and solid analytic geometry; an elementary textbook (1905)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's Sons · leaf 143
= 0, (b) x^ix-2y = 15, (e) y-{-2 x - 4:y = G (c) 4.x^-3y--4:X-\-S = 0, 3. Obtain the polar equation of each of the conies, the focusbeing used as the origin and the transverse axis as the initialline. CHAPTER X TANGENTS 74. The method of finding the equation of a tangent toany conic at a given… … X — X. It is necessary to de-termine in each case a kvalue of - which willh not be indeterminatewhen h and k approach zero. We shall give the work in detail for tlie ellipse, hV + a^y^ = a%^. Since the points F^ and F^ lie on the ellipse, their coordinates must satisfy its equation, or (1) JV +…
Geometry, Analytic
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