pair-st-lines

Related Questions

• The angle between the lines represented by the equation $\lambda {{x}^{2}}+{{(1-\lambda )}^{2}}xy-\lambda {{y}^{2}}=0$, is

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• If the point (2,–3) lies on $k{{x}^{2}}-3{{y}^{2}}+2x+y-2=0$, then $k$ is equal to

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• If the lines represented by the equation $2{{x}^{2}}-3xy+{{y}^{2}}=0$ make angles $\alpha $and $\beta $ with x-axis, then ${{\cot }^{2}}\alpha +{{\cot }^{2}}\beta $=

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• The angle between the pair of straight lines ${{x}^{2}}+4{{y}^{2}}-7xy=0$, is

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• If the sum of the slopes of the lines represented by the equation ${{x}^{2}}-2xy\tan A-{{y}^{2}}=0$be 4, then $\angle A=$

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