pair-st-lines

Related Questions

• The angle between the pair of lines represented by $2{{x}^{2}}-7xy+3{{y}^{2}}=0$, is

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• If the bisectors of the angles between the pairs of lines given by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ and $a{{x}^{2}}+2hxy+b{{y}^{2}}+\lambda ({{x}^{2}}+{{y}^{2}})=0$ be coincident, then $\lambda =$

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• The equation of one of the line represented by the equation ${{x}^{2}}+2xy\cot \theta -{{y}^{2}}=0$, is

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• The equation of pair of straight lines perpendicular to the pair $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ is

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• If $a{{x}^{2}}-{{y}^{2}}+4x-y=0$represents a pair of lines then $a=$

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