conic-section

Related Questions

• An ellipse is described by using an endless string which is passed over two pins. If the axes are 6 cm and 4 cm, the necessary length of the string and the distance between the pins respectively in cm, are

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• If the tangent on the point $(2\sec \varphi ,\ 3\tan \varphi )$ of the hyperbola $\frac{{{x}^{2}}}{4}-\frac{{{y}^{2}}}{9}=1$ is parallel to $3x-y+4=0$, then the value of $\varphi$ is

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