Home
Class 12
MATHS
The value of h for which 3x^2-2hxy + 4y^...

The value of `h` for which `3x^2-2hxy + 4y^2 = 0 `represents a pair of coincident lines are

A

`+-3sqrt3`

B

`+-sqrt3`

C

`+-2sqrt3`

D

`+-sqrt6`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION C) (OBJECTIVE TYPE QUESTIONS) (MORE THAN ONE ANSWER)|14 Videos

  • STRAIGHT LINES

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION D) (LINKED COMPREHENSION TYPE QUESTIONS)|12 Videos

  • STRAIGHT LINES

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION A) (OBJECTIVE TYPE QUESTIONS) (ONLY ONE ANSWER)|50 Videos

  • STATISTICS

    AAKASH INSTITUTE|Exercise Section-C Assertion-Reason|15 Videos

  • THREE DIMENSIONAL GEOMETRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - J|10 Videos

Similar Questions

Explore conceptually related problems

The set of value of h for which the equation 4x^(2)+hxy-3y^(2)=0 represents a pair of real and distinct lines is

The value of h for which the equation 3x^2+2hxy-3y^2-40x+30y-75=0 represents a pair of straight lines , are

The equation ax^(2)+2hxy+ay^(2)=0 represents a pair of coincident lines through origin, if

The equation 4x^(2)+hxy+y^(2)=0 represents a pair of coincident lines through origin, if h=

If the equation k(x^(2)+y^(2))=8xy represents a pair of coincident lines, If k=

The value of k for which 2x^(2) + 5xy + 3y^(2) + 3x + 4y + k = 0 represent pair of straight lines is

Do the equations 4x + 3y =5 and 12 x +9y =15 represent a pair of coincident lines ?

AAKASH INSTITUTE-STRAIGHT LINES-ASSIGNMENT (SECTION B) (OBJECTIVE TYPE QUESTIONS) (ONLY ONE ANSWER)
  1. The line 5x + 4y = 0 passes through the point of intersection of strai...

    Text Solution

    |

  2. The equation of the base of an equilateral triangle is x+y=2 and its v...

    Text Solution

    |

  3. A ray of light is sent along the line which passes through the point (...

    Text Solution

    |

  4. Line a x+b y+p=0 makes angle pi/4 with cosalpha+ycosalpha+ysinalpha=p ...

    Text Solution

    |

  5. Find the image of the point (-8,12) with respect to line mirror 4x+7y+...

    Text Solution

    |

  6. in a triangle ABC, if A is (1, 2) and the equations of the medians thr...

    Text Solution

    |

  7. The equation of straight line equally inclined to the axes and equidis...

    Text Solution

    |

  8. A line passing through (0,0) and perpendicular to 2x+y+6=0,4x+2y-9=0 t...

    Text Solution

    |

  9. The centroid of the triangle formed by the pair of straight lines 12x^...

    Text Solution

    |

  10. If x^2-2p x y-y^2=0 and x^2-2q x y-y^2=0 bisect angles between each ot...

    Text Solution

    |

  11. If a , ba n dc are in A P , then the straight line a x+b y+c=0 will al...

    Text Solution

    |

  12. The straight line ax + by = 1 makes with the curve px^2 + 2axy + qy^2 ...

    Text Solution

    |

  13. the lines L1 and L2 denoted by 3x^2 + 10xy +8y^2 +14x +22y + 15 =...

    Text Solution

    |

  14. The equation of the lines through the origin and which are perpendicul...

    Text Solution

    |

  15. A ray of light is sent along the line x-2y-3=0 on reaching the line 3x...

    Text Solution

    |

  16. The mid-point of the line segment joirning (3, -1) and (1, 1) is shift...

    Text Solution

    |

  17. Sum of the possible values of lamda for which the following threes lin...

    Text Solution

    |

  18. The ends A and B of a straight line segment of constant length c slide...

    Text Solution

    |

  19. The value of h for which 3x^2-2hxy + 4y^2 = 0 represents a pair of coi...

    Text Solution

    |

  20. Distance between the pari of straight lines x^(2)+6xy+9y^(2)+4x+12y-5=...

    Text Solution

    |