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Find the value of lambda if 2x^2+7x y+3y...

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

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
  1. Find the lines whose combined equation is 6x^2+5x y-4y^2+7x+13 y-3=0

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  2. Does equation x^2+2y^2-2sqrt(3)x-4y+5=0 satisfies the condition a b c+...

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  3. Find the value of lambda if 2x^2+7x y+3y^2+8x+14 y+lambda=0 represents...

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  4. Find the distance between the pair of parallel lines x^2+4x y+4y^2+3x+...

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  5. If the pair of lines a x^2+2h x y+b y^2+2gx+2fy+c=0 intersect on the y...

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  6. Find the lines whose combined equation is 6x^2+5x y-4y^2+7x+13 y-3=0 u...

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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^2-2c x y-7y^2=0 is fo...

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  10. The distance between the two lines represented by the  sides of an equ...

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  11. If the gradient one of the lines x^2+h x y+2y^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)+xy-12x^(2)=0andax...

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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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