pair-st-lines

Related Questions

• The equation of pair of lines joining origin to the points of intersection of ${{x}^{2}}+{{y}^{2}}=9$and $x+y=3$ is

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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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• The lines ${{a}^{2}}{{x}^{2}}+bc{{y}^{2}}=a(b+c)xy$ will be coincident, if

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• The value of $\lambda $ for which the equation ${{x}^{2}}-\lambda xy+2{{y}^{2}}+3x-5y+2=0$ may represent a pair of straight lines is

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• Two lines represented by equation ${{x}^{2}}+xy+{{y}^{2}}=0$ are

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