pair-st-lines

Related Questions

• Angle between the line joining the origin to the points of intersection of the curves $2{{x}^{2}}+3{{y}^{2}}+10x=0$ and $3{{x}^{2}}+5{{y}^{2}}+16x=0$ is

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• If the equation $12{{x}^{2}}+7xy-p{{y}^{2}}-18x+qy+6=0$ represents a pair of perpendicular straight lines, then

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• The equation of lines passing through the origin and parallel to the lines $y={{m}_{1}}x+{{c}_{1}}$ and $y={{m}_{2}}x+{{c}_{2}}$ is

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• If the ratio of gradients of the lines represented by $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$is 1 : 3, then the value of the ratio ${{h}^{2}}:ab$is

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• The angle between the lines $xy=0$ is

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