pair-st-lines

Related Questions

• If the distance of two lines passing through origin from the point $({{x}_{1}},{{y}_{1}})$ is $'d'$, then the equation of lines is

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• The gradient of one of the lines of $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ is twice that of the other, then

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• The lines joining the points of intersection of the curve ${{(x-h)}^{2}}+{{(y-k)}^{2}}-{{c}^{2}}=0$ and the line $kx+hy=2hk$ to the origin are perpendicular, then

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• Difference of slopes of the lines represented by equation ${{x}^{2}}({{\sec }^{2}}\theta -{{\sin }^{2}}\theta )-2xy\tan \theta +{{y}^{2}}{{\sin }^{2}}\theta =0$is

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• The angle between the pair of straight lines ${{x}^{2}}+4{{y}^{2}}-7xy=0$, is

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