pair-st-lines

Related Questions

• The angle between the pair of straight lines ${{x}^{2}}-{{y}^{2}}-2y-1=0$, is

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• The equation $4{{x}^{2}}-24xy+11{{y}^{2}}=0$represents

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• Angles made by the lines represented by the equation $xy+y=0$with $y-$axis are

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• The lines joining the points of intersection of curve $5{{x}^{2}}+12xy-8{{y}^{2}}+8x-4y+12=0$ and the line $x-y=2$ to the origin , makes the angles with the axes

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• If the sum of the slopes of the lines given by ${{x}^{2}}-2cxy-7{{y}^{2}}=0$ is four times their product, then c has the value

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