pair-st-lines

Related Questions

• The point of intersection of the lines represented by equation $2{{(x+2)}^{2}}+3(x+2)(y-2)-2{{(y-2)}^{2}}=0$ is

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• The equation ${{(x-5)}^{2}}+(x-5)\,(y-6)\,-2\,{{(y-6)}^{2}}=0$ represents

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• If the equation $3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0$ represents a pair of lines, then k is equal to

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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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• The equation of the lines passing through the origin and parallel to the lines represented by the equation $2{{x}^{2}}-xy-6{{y}^{2}}+7x+21y-15=0$, is

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