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If sum of the slopes of the lines repres...

If sum of the slopes of the lines represented by `x^(2)+kxy-3y^(2)=0` is twice their product, then k=

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The correct Answer is:
k = -2
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-PAIRS OF LINES
  1. The equation of the lines represented by 3x^(2)-2sqrt(3)xy-3y^(2)=0 ar...

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  2. The equation 4x^(2) + 4xy + y^(2) = 0 represents two……

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  3. If the lines represented by kx^(2) - 3xy + 6y^(2) = 0 are perpendicula...

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  4. Auxiliary equation of 2x^(2)+3xy-9y^(2)=0 is

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  5. The combined equation of the lines through origin and perpendicular to...

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  6. The acute angle between the lines represented by x^(2) + xy = 0 is….

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  7. If 2x + y = 0 is one of the lines represented by 3x^(2) + kxy + 2y^(2)...

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  8. The combined equations of lines passing through (2, 3) and parallel to...

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  9. Find the separate equations of the lines given by x^(2) + 2xy tan prop...

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  10. If sum of the slopes of the lines represented by x^(2)+kxy-3y^(2)=0 is...

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  11. Find the measure of acute angle between the lines given by x^(2) - 4xy...

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  12. Find the value of h, if the measure of the angle between the lines 3x^...

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  13. The combined equation of lines passing through the point (-1, 2) of wh...

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  14. Find the joint equation of the pair of lines through the origin which ...

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  15. If the line 4x+5y=0 coincide with one of the lines given by ax^(2)+2hx...

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  16. The acute angle theta between the lines represented by 3x^(2)-4sqrt(3)...

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  17. Find the combined equation of the lines 2x + 3y = 0 and x - 2y = 0

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  18. Show that a homogeneous equations of degree two in x and y , i.e., ax...

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  19. If theta is the acute angle between the lines given by ax^(2) + 2hxy +...

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  20. If the angle between the lines represented by ax^(2) + 2hxy + by^(2) =...

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