pair-st-lines

Related Questions

• The angle between the two straight lines $2{{x}^{2}}-5xy+2{{y}^{2}}-3x+3y+1=0$ is

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• If the angle $2\theta $is acute, then the acute angle between ${{x}^{2}}(\cos \theta -\sin \theta )+2xy\cos \theta +{{y}^{2}}(\cos \theta +\sin \theta )=0$ is

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• If the lines represented by the equation $a{{x}^{2}}-bxy-{{y}^{2}}=0$ make angles $\alpha $ and $\beta $ with the x-axis, then $\tan (\alpha +\beta )$=

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• Distance between the lines represented by the equation ${{x}^{2}}+2\sqrt{3}xy+3{{y}^{2}}-3x-3\sqrt{3}y-4=0$is

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• Two lines are given by ${{(x-2y)}^{2}}+k(x-2y)=0$. The value of k so that the distance between them is 3, is

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