A Treatise on Plane Co-Ordinate Geometry as applied to the straight line and the conic sections. With numerous examplesMacmillan and Company, 1855 - 299 pages |
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a² sin² a²b² a²y a²y² abscissa asymptotes ax² axes axis of x b² cos² b²x² centre chord of contact circle conic section conjugate diameters conjugate hyperbola constant cy² denote directrix distance ellipse equal excentricity external point find the equation find the locus fixed point focal chord focus given point given straight line Hence the equation inclined latus rectum Let the equation line drawn line joining line meets line which passes major axis meet the curve middle point negative normal ordinate parabola passes through h perpendicular point h point of intersection polar co-ordinates polar equation pole positive preceding article proposition radical axis radius ratio rectangular respectively right angles shew shewn sides Similarly straight line passing suppose tangents are drawn triangle vertex x₁ y₁