pair-st-lines

Related Questions

• If the equation $12{{x}^{2}}-10xy+2{{y}^{2}}+11x-5y+k=0$ represents two straight lines, then the value of k is

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• The equation of the line joining origin to the points of intersection of the curve ${{x}^{2}}+{{y}^{2}}={{a}^{2}}$ and ${{x}^{2}}+{{y}^{2}}-ax-ay=0$ is

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• The equation of second degree ${{x}^{2}}+2\sqrt{2}xy+2{{y}^{2}}+4x+4\sqrt{2}y+1=0$ represents a pair of straight lines. The distance between them is

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• The equation of the bisectors of angle between the lines represented by equation ${{(y-mx)}^{2}}={{(x+my)}^{2}}$is

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• The angle between the pair of straight lines ${{x}^{2}}+4{{y}^{2}}-7xy=0$, is

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