A treatise on plane co-ordinate geometry1862 |
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a²b² a²b³ a²y abscissa asymptotes ax² axes axis of x b²x² bisects centre chord of contact circle conic section conjugate diameters conjugate hyperbola constant Crown 8vo cy² denote directrix distance ellipse equal EXAMPLES external point find the equation find the locus fixed point focal chord focus given lines given point given straight lines Hence the equation hyperbola inclined latus rectum Let the equation line drawn line joining line which passes major axis meet the curve middle point negative normal ordinate origin parabola perpendicular point h point of intersection polar co-ordinates polar equation pole positive preceding article radical axis ratio rectangular required equation respectively right angles shew shewn sides Similarly sin² suppose tangent tangents are drawn tion triangle vertex x₁ y₁
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