conic-section

Related Questions

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• If the line $y=mx+c$ is a tangent to the parabola ${{y}^{2}}=4a(x+a)$ then $ma+\frac{a}{m}$ is equal to

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• The equation of the ellipse whose foci are $(\pm 5,\ 0)$ and one of its directrix is $5x=36$ , is

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• If the eccentricities of the hyperbolas $\frac{{{x}^{2}}}{{{a}^{2}}}-\frac{{{y}^{2}}}{{{b}^{2}}}=1$ and $\frac{{{y}^{2}}}{{{b}^{2}}}-\frac{{{x}^{2}}}{{{a}^{2}}}=1$ be $e$ and ${{e}_{1}}$, then $\frac{1}{{{e}^{2}}}+\frac{1}{e_{1}^{2}}=$

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