pair-st-lines

Related Questions

• The combined equation of the bisectors of the angle between the lines represented by $({{x}^{2}}+{{y}^{2}})\sqrt{3}=$ $4xy$ is

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• A second degree homogenous equation in x and y always represents

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• Difference of slopes of the lines represented by equation ${{x}^{2}}({{\sec }^{2}}\theta -{{\sin }^{2}}\theta )-2xy\tan \theta +{{y}^{2}}{{\sin }^{2}}\theta =0$is

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• If the equation $hxy+gx+fy+c=0$ represents a pair of straight lines, then

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• If the equation $3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0$ represents a pair of lines, then k is equal to

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