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If slope of one of the lines ax2+2hxy+by2=0 is 5 times that of the other, then 5h2=

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Important Questions on Pair of Straight Lines

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The condition that the gradient of one line is twice the gradient of another line represented by the equation ax2+2hxy+by2=0 is
MEDIUM
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IMPORTANT
If the slope of one of the line represented by the equation ax2+2hxy+by2=0 be λ times that of the other, then
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IMPORTANT
If the slope of one of the lines represented by ax2+2hxy+by2=0 be the square of the other, then
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If m1,m2 are slopes of lines represented by 2x2-5xy+3y2=0, then equation of lines passing through origin with slopes 1m1,1m2 will be
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The magnitude of difference of slopes of the lines represented by the equation x2sec2θ-sin2θ-2xytanθ+y2sin2θ=0 is
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IMPORTANT
The magnitude of difference of the tangents of the angles, which the lines tan2α+cos2αx2-2xytanα+sin2αy2=0 make with the X-axis, is
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IMPORTANT
The equation of the pair of straight lines, each of which makes an angle α with the line y=x is