Home
Class 12
MATHS
If one of the lines given by 6x^(2) - xy...

If one of the lines given by `6x^(2) - xy + 4cy^(2) = 0` is 3x + 4y = 0 then c equals

A

3

B

-1

C

1

D

-3

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|53 Videos

  • STATISTICS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|40 Videos

  • THREE DIMENSIONAL GEOMETRY

    NEW JOYTHI PUBLICATION|Exercise Objective|36 Videos

Similar Questions

Explore conceptually related problems

If one of the line given by 6x^(2)-xy+4cy^(2)=0 is 3x+4y=0 , then c equals to

The length of the latus rectum of 3x^(2) -4y +6x - 3 = 0 is

The distance between the pair of parallel lines x^(2) + 4xy + 4y^(2) + 3x + 6y- 4 = 0 is

The equation of a line which is parallel to the line common to the pair of lines given by 6x^2-x y-12 y^2=0 and 15 x^2+14 x y-8y^2=0 and at a distance of 7 units from it is (a) 3x-4y=-35 (b) 5x-2y=7 (c) 3x+4y=35 (d) 2x-3y=7

Find the separate equations of the lines given by 2x^(2)+5xy+2y^(2)+9x+6y+4=0

The four lines 6x^(2) – 5xy - 6y^(2) + x+5y–1=0  and 6x^(2) – 5xy -6y^(2) = 0 , form a

If the lines 3x^(2)-4xy +y^(2) +8x - 2y- 3 = 0 and 2x - 3y +lambda = 0 are concurrent, then the value of lambda is

If theta is the angle between the lines given by the equation 6x^2+5x y-4y^2+7x+13 y-3=0 , then find the equation of the line passing through the point of intersection of these lines and making an angle theta with the positive x-axis.

Distance between the pair of lines represented by the equation x^(2)– 6xy +9y^(2)+ 3x - 9y -4 = 0 is

The equation 7x^(2) - 6sqrt3 xy + 13y^(2) - 4sqrt3 - 4y- 12 =0 represents

NEW JOYTHI PUBLICATION-STRAIGHT LINES-QUESTIONS FROM COMPETITIVE EXAMS
  1. A square of side a lies above the x-axis and has one vertex at the or...

    Text Solution

    |

  2. If the pairs of straight lines x^(2) - 2pxy-y^(2)=0 and x^(2) – 2qxy ...

    Text Solution

    |

  3. Locus of centroid of the triangle whose vertices are (a cost, a sint)...

    Text Solution

    |

  4. Show that the area of the triangle formed by the lines y = m(1) x + c(...

    Text Solution

    |

  5. Let A (2, -3) and B (-2, 1) be vertices of a triangle ABC. If the cen...

    Text Solution

    |

  6. The equation of the straight line passing through the point (4, 3) an...

    Text Solution

    |

  7. If the sum of the slopes of the lines given by x^(2) – 2cxy – 7y^(2) ...

    Text Solution

    |

  8. If one of the lines given by 6x^(2) - xy + 4cy^(2) = 0 is 3x + 4y = 0...

    Text Solution

    |

  9. The line parallel to the x-axis and passing through the intersection ...

    Text Solution

    |

  10. If non-zero numbers a, b, c are in H.P., then the straight line (x)/(...

    Text Solution

    |

  11. If a vertex of a triangle is (1, 1) and the mid points of two sides t...

    Text Solution

    |

  12. If the pair of lines ax^(2) + 2(a+b)xy + by^(2) = 0 lie along diamete...

    Text Solution

    |

  13. A straight line through the point A(3, 4) is such that its intercept ...

    Text Solution

    |

  14. In are ellispe , the distance between its foci is 6 and its minor axi...

    Text Solution

    |

  15. If (a, a^(2)) falls inside the angle made by the lines y=(x)/(2), x g...

    Text Solution

    |

  16. The equation of a tangent to the parabola y^(2) = 8x is y = x + 2. Th...

    Text Solution

    |

  17. Let A(h, k), B (1, 1) and C(2, 1) be the vertices of a right angled t...

    Text Solution

    |

  18. Let P=(-1, 0), Q=(0,0) and R=(3, 3sqrt3) be three points. The equatio...

    Text Solution

    |

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

    Text Solution

    |

  20. The perpendicular bisector of the line segment joining P(1, 4) and Q(...

    Text Solution

    |