Home
Class 12
MATHS
Let L be the line joining the origin to ...

Let L be the line joining the origin to the point of intersection of the lines represented by `2x^(2)-3xy-2y^(2)+10x+5y=0`. If L is perpendicular to the line `kx+y+3=0` then `k=`

A

`1/2`

B

`(-1)/2`

C

`-1`

D

`1/3`

Text Solution

Verified by Experts

The correct Answer is:
B
NA
Promotional Banner

Topper's Solved these Questions

  • PAIR OF STRAIGHT LINES

    TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

  • PAIR OF STRAIGHT LINES

    TARGET PUBLICATION|Exercise CRITICAL THINKING|58 Videos

  • MODEL QUESTION PAPER-II

    TARGET PUBLICATION|Exercise MCQs|49 Videos

  • PLANE

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

The point of intersection of the lines represented by 2x^(2)+xy-y^(2)+x+4y-3=0 is

The point of intersection of the lines represented by 2x^(2)-xy-3y^(2)-6x+19y-20=0 is

The point of intersection of lines represented by x^(2) -y ^(2) +x+3y -2=0 is

The point of intersection of the lines represented by (x-3)^(2)+(x-3)(y-4)-2(y-4)^(2)=0 is

The point of intersection of the two lines given by 2x^(2)-5xy+2y^(2)-3x+3y+1=0 is

The lines joining the origin to the points of intersection of the line 3x-2y-1 and the curve 3x^(2)+5xy-3y^(2)+2x+3y=0, are

If one of the lines represents by 3x^(2)-4xy+y^(2)=0 is perpendicular to one of the line 2x^(2)-5xy+ky^(2)=0 then k=

If the lines represented by kx^(2) - 3xy + 6y^(2) = 0 are perpendicular to each other then…..

TARGET PUBLICATION-PAIR OF STRAIGHT LINES-COMPETITIVE THINKING
  1. Which of the following equation does not represent a pair of li...

    Text Solution

    |

  2. The angle between the lines 3x^(2)+7xy+2y^(2)+5x+5y+2=0 is given by

    Text Solution

    |

  3. The equation xy+a^2=a(x+y) represents

    Text Solution

    |

  4. If ax^(2)-y^(2)+4x-y=0 represents a pair off lines then a=

    Text Solution

    |

  5. If the equation kxy+10x+6y+4=0 represents a pair of lines then : k=

    Text Solution

    |

  6. The equation x^(2)+kxy+y^(2)-5x-7y+6=0 represents a pair of straight l...

    Text Solution

    |

  7. The point of intersection of lines represented by x^(2) -y ^(2) ...

    Text Solution

    |

  8. If 2x^(2)-10xy+2 lamday^(2)+5x-16y-3=0 represents a pair of straight l...

    Text Solution

    |

  9. Let L be the line joining the origin to the point of intersection of t...

    Text Solution

    |

  10. The line 5x+y-1=0 coincides with one of the lines given by 5x^(2)+xy-k...

    Text Solution

    |

  11. The angle between the lines 3x^(2)+7xy+2y^(2)+5x+5y+2=0 is given by

    Text Solution

    |

  12. The angle between the lines in x^2-xy-6y^2-7x+31y-18=0 is

    Text Solution

    |

  13. If the angle between the pair of straight lines represented by the equ...

    Text Solution

    |

  14. If the angle between the two lines represented by 2x^(2)+5xy+3y^(2)+6x...

    Text Solution

    |

  15. The acute angle formed between the lines joining the origin to the poi...

    Text Solution

    |

  16. The straight lines joining the origin to the points of intersection of...

    Text Solution

    |

  17. If the lines joining the origin and the point of intersection of curve...

    Text Solution

    |

  18. The pair of straight lines joining the origin to the points of interse...

    Text Solution

    |

  19. The orthocenter of the triangle formed by the lines x+y=1 and 2y^(2)-x...

    Text Solution

    |

  20. Joint equation of the diagonals of the square formed by the pairs of l...

    Text Solution

    |