pair-st-lines

Related Questions

• The equation $2{{y}^{2}}-xy-{{x}^{2}}+6x-8=0$ represents

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• If in general quadratic equation $f(x,\,y)=0$, $\Delta =0$ and ${{h}^{2}}=ab$, then the equation represents

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• The lines joining the points of intersection of the curve ${{(x-h)}^{2}}+{{(y-k)}^{2}}-{{c}^{2}}=0$ and the line $kx+hy=2hk$ to the origin are perpendicular, then

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• If the slope of one of the lines given by $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$is 5 times the other, then

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• The equation $xy+{{a}^{2}}=a(x+y)$ represents

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