pair-st-lines

Related Questions

• The lines ${{(lx+my)}^{2}}-3{{(mx-ly)}^{2}}=0$ and $lx+my+n=0$ form

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• If one of the lines represented by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ be $y=mx$, then

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• If the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ represents two lines $y={{m}_{1}}x$ and $y={{m}_{2}}x$, then

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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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• The equation to the pair of straight lines through the origin which are perpendicular to the lines $2{{x}^{2}}-5xy+{{y}^{2}}=0,$is

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