A Treatise on Plane Co-ordinate Geometry as Applied to the Straight Line and the Conic Sections: With Numerous ExamplesMacmillan, 1858 - 316 páginas |
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a² sin² a²b² a²y abscissa asymptotes ax² axes axis of x b²x² centre chord of contact circle conic section conjugate diameters conjugate hyperbola constant denote directrix distance ellipse equa equal equation y² 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 length Let the equation line drawn line joining line meets line which passes major axis meet the curve middle point negative normal ordinate parabola parallelogram perpendicular point h point of intersection polar co-ordinates polar equation pole positive preceding article radical axis radius ratio rectangular required equation respectively right angles shew shewn sides Similarly straight line passing suppose tangents are drawn triangle vertex x₁ y₁