pair-st-lines

Related Questions

• If the equation $A{{x}^{2}}+2Bxy+C{{y}^{2}}+Dx+Ey+F=0$ represents a pair of straight lines, then ${{B}^{2}}-AC$

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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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• Which of the following second degree equation represented a pair of straight lines

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• $2{{x}^{2}}+7xy+3{{y}^{2}}+8x+14y+\lambda =0$ will represent a pair of straight lines, when $\lambda $=

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

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