conic-section

Related Questions

• If the line $2x+y+k=0$ is normal to the parabola ${{y}^{2}}=-8x$ , then the value of k will be

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• An ellipse has OB as semi minor axis, F and F' its foci and the angle FBF' is a right angle. Then the eccentricity of the ellipse is

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• The line $x\cos \alpha +y\sin \alpha =p$ will touch the parabola ${{y}^{2}}=4a(x+a)$ , if

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• The eccentricity of the ellipse $25{{x}^{2}}+16{{y}^{2}}=400$ is

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• The equation of the tangent to the parabola ${{y}^{2}}=4ax$ at point $(a/{{t}^{2}},\ 2a/t)$ is

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