conic-section

Related Questions

• The equation of the normal at the point $(a\sec \theta ,\ b\tan \theta )$ of the curve ${{b}^{2}}{{x}^{2}}-{{a}^{2}}{{y}^{2}}={{a}^{2}}{{b}^{2}}$ is

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• The locus of the point of intersection of any two perpendicular tangents to the hyperbola is a circle which is called the director circle of the hyperbola, then the eqn of this circle is

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• Vertex of the parabola $9{{x}^{2}}-6x+36y+9=0$ is

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• The line $y=2x+c$ is tangent to the parabola ${{y}^{2}}=4x$ , then $c=$

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• The point on the parabola ${{y}^{2}}=18x$ , for which the ordinate is three times the abscissa, is

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