pair-st-lines

Related Questions

• The angle between the pair of lines $2{{x}^{2}}+5xy+2{{y}^{2}}+3x+3y+1=0$ is

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• The acute angle formed between the lines joining the origin to the points of intersection of the curves ${{x}^{2}}+{{y}^{2}}-2x-1=0$ and $x+y=1$, is

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• If the bisectors of the angles between the pairs of lines given by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ and $a{{x}^{2}}+2hxy+b{{y}^{2}}+\lambda ({{x}^{2}}+{{y}^{2}})=0$ be coincident, then $\lambda =$

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• For what value of $'p'$, ${{y}^{2}}+xy+p{{x}^{2}}-x-2y=0$ represents two straight lines

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• The equation $12{{x}^{2}}+7xy+a{{y}^{2}}+13x-y+3=0$ represents a pair of perpendicular lines. Then the value of ‘a’ is

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