pair-st-lines

Related Questions

• If the lines $(p-q){{x}^{2}}+2(p+q)xy+(q-p){{y}^{2}}=0$ are mutually perpendicular, then

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• The nature of straight lines represented by the equation $4{{x}^{2}}+12xy+9{{y}^{2}}=0$ is

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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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• If the bisectors of the angles of the lines represented by $3{{x}^{2}}-4xy+5{{y}^{2}}=0$ and $5{{x}^{2}}+4xy+3{{y}^{2}}=0$ are same, then the angle made by the lines represented by first with the second, is

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• If the equation $12{{x}^{2}}-10xy+2{{y}^{2}}+11x-5y+k=0$ represents two straight lines, then the value of k is

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