pair-st-lines

Related Questions

• Distance between the pair of lines represented by the equation ${{x}^{2}}-6xy+9{{y}^{2}}+3x-9y-4=0$is

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• If the lines $(p-q){{x}^{2}}+2(p+q)xy+(q-p){{y}^{2}}=0$ are mutually perpendicular, then

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• 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 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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• The angle between the lines represented by the equation $a{{x}^{2}}+xy+b{{y}^{2}}=0$ will be ${{45}^{o}}$, if

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