pair-st-lines

Related Questions

• The joint equation of the straight lines $x+y=1$and $x-y=4$is

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• Angles made by the lines represented by the equation $xy+y=0$with $y-$axis are

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• If the angle between the pair of straight lines represented by the equation ${{x}^{2}}-3xy+\lambda {{y}^{2}}+3x-5y+2=0$ is ${{\tan }^{-1}}\left( \frac{1}{3} \right)$, where $'\lambda \,'$is a non negative real number. Then$\lambda $is

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• If the acute angles between the pairs of lines $3{{x}^{2}}-7xy+4{{y}^{2}}=0$ and $6{{x}^{2}}-5xy+{{y}^{2}}=0$ be ${{\theta }_{1}}$ and ${{\theta }_{2}}$ respectively, then

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• The distance between the pair of parallel lines ${{x}^{2}}+2xy+{{y}^{2}}-8ax-8ay-9{{a}^{2}}=0$ is

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