pair-st-lines

Related Questions

• 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 ${{a}^{2}}{{x}^{2}}+bc{{y}^{2}}=a(b+c)xy$ will be coincident, if

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

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• If the sum of the slopes of the lines represented by the equation ${{x}^{2}}-2xy\tan A-{{y}^{2}}=0$be 4, then $\angle A=$

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