pair-st-lines

Related Questions

• The angle between the lines represented by the equation $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$is given by

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• If the bisectors of angles represented by $a{{x}^{2}}+2hxy+b{{y}^{2}}=0$ and $a'{{x}^{2}}+2h'xy+b'{{y}^{2}}=0$ are same, then

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• If $6{{x}^{2}}+11xy-10{{y}^{2}}+x+31y+k=0$ represents a pair of straight lines, then $k=$

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• The angle between the lines $xy=0$ is

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• The equation $2{{x}^{2}}+4xy-k{{y}^{2}}+4x+2y-1=0$ represents a pair of lines. The value of k is

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