pair-st-lines

Related Questions

• 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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• The equation $2{{x}^{2}}+4xy-p{{y}^{2}}+4x+qy+1=0$ will represent two mutually perpendicular straight lines, if

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• If the point (2,–3) lies on $k{{x}^{2}}-3{{y}^{2}}+2x+y-2=0$, then $k$ is equal to

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• The equations of the lines represented by the equation $a{{x}^{2}}+(a+b)xy+b{{y}^{2}}+x+y=0$ are

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

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