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Find the value of `lambdaif2x^2+7x y+3y^2+8x+14 y+lambda=0` represent a pair of straight lines.

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CENGAGE PUBLICATION-STRAIGHT LINES-All Questions
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  3. Find the value of lambdaif2x^2+7x y+3y^2+8x+14 y+lambda=0 represent a ...

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  4. Find the distance between the pair of parallel lines x^(2)+4xy+4...

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  5. If the pair of lines ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 intersect on the ...

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  6. Find the equation of two straigh lines whose combined equation is 6x^(...

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  7. If the component lines whose combined equation is px^(2)-qxy-y^(2)=0 m...

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  8. Find the joint equation of pair of lines which passes through origin a...

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  9. If the sum of the slopes of the lines given by x^(2)-2cxy-7y^(2)=0 is...

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  10. The distance between the two lines represented by the equation 9x^2-2...

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  11. The gradient of one of the lines ax^2+2hxy+by^2=0 is twice that of the...

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  12. If one of the lines of my^(2)+(1-m^(2))xy-mx^(2)=0 is a bisector of th...

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  13. Two pairs of straight lines have the equations y^2+x y-12 x^2=0 and a ...

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  14. If the equation of the pair of straight lines passing through the poin...

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  15. If one of the lines given by the equation 2x^(2)+pxy+3y^(2)=0 coincide...

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  16. If x^2+2h x y+y^2=0 represents the equation of the straight lines thro...

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  17. The equation to a pair of opposite sides of a parallelogram are x^2-5x...

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  18. The equation a^2x^2+2h(a+b)x y+b^2y^2=0 and a x^2+2h x y+b y^2=0 repre...

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  19. The equation x^3+x^2y-x y^2 =y^3 represents (a)three real straight lin...

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  20. The image of the pair of lines represented by a x^2+2h x y+b y^2=0 by ...

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