pair-st-lines

Related Questions

• The angle between the lines represented by the equation $({{x}^{2}}+{{y}^{2}})\sin \theta +2xy=0$ is

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• The lines joining the origin to the points of intersection of the curves $a{{x}^{2}}+2hxy+b{{y}^{2}}+2gx=0$ and $a'{{x}^{2}}+2h'xy+b'{{y}^{2}}+2g'x=0$ will be mutually perpendicular, if

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

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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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• 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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