pair-st-lines

Related Questions

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

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• If the angle $2\theta $is acute, then the acute angle between ${{x}^{2}}(\cos \theta -\sin \theta )+2xy\cos \theta +{{y}^{2}}(\cos \theta +\sin \theta )=0$ is

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• If the sum of the slopes of the lines given by ${{x}^{2}}-2cxy-7{{y}^{2}}=0$ is four times their product, then c has the value

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• One of the lines represented by the equation ${{x}^{2}}+6xy=0$ is

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• The distance between the pair of parallel lines ${{x}^{2}}+2xy+{{y}^{2}}-8ax-8ay-9{{a}^{2}}=0$ is

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