pair-st-lines

Related Questions

• 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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• If the lines joining origin to the points of intersection of the line $fx-gy=\lambda $ and the curve ${{x}^{2}}+hxy-{{y}^{2}}+gx+fy=0$ be mutually perpendicular, then

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• If the angle between the two lines represented by $2{{x}^{2}}+5xy+3{{y}^{2}}+6x+7y+4=0$ is ${{\tan }^{-1}}m$, then $m=$

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

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• The gradient of one of the lines of $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ is twice that of the other, then

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