pair-st-lines

Related Questions

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

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• The equation of the bisectors of the angles between the lines represented by ${{x}^{2}}+2xy\cot \theta +{{y}^{2}}=0$, is

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• The equation ${{x}^{2}}+kxy+{{y}^{2}}-5x-7y+6=0$ represents a pair of straight lines, then k is

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• Separate equations of lines, for a pair of lines, whose equation is ${{x}^{2}}+xy-12{{y}^{2}}=0$, are

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