pair-st-lines

Related Questions

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

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• If the slope of one line of the pair of lines represented by $a{{x}^{2}}+4xy+{{y}^{2}}=0$is 3 times the slope of the other line, then a is

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• The angle between the pair of lines given by equation ${{x}^{2}}+2xy-{{y}^{2}}=0$, is

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• The lines joining the origin to the points of intersection of the line $3x-2y=1$ and the curve $3{{x}^{2}}+5xy-3{{y}^{2}}+2x+3y=0$, are

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• The values of h for which the equation $3{{x}^{2}}+2hxy-3{{y}^{2}}-40x+30y-75=0$ represents a pair of straight lines, are

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