pair-st-lines

Related Questions

• The equation $2{{x}^{2}}+4xy-k{{y}^{2}}+4x+2y-1=0$ represents a pair of lines. The value of k is

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• The lines represented by the equation $a{{x}^{2}}(b-c)-xy(ab-bc)+c{{y}^{2}}(a-b)=0$ are

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• Condition that the two lines represented by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$to be perpendicular is

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• If one of the lines represented by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ be $y=mx$, then

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• The equation of the bisectors of the angle between the lines represented by the equation ${{x}^{2}}-{{y}^{2}}=0$, is

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