Home
Class 12
MATHS
If 4 x y+2 x+2 f y+3=0 represents a pair...

If `4 x y+2 x+2 f y+3=0` represents a pair of lines, then `f=`

A

2

B

3

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|251 Videos

  • PARABOLA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|233 Videos

Similar Questions

Explore conceptually related problems

If the lines 2 x^(2)+7 x y+3 y^(2)-9 x-7 y+k=0 represents a pair of lines, then k=

If k x^(2)-y^(2)+2 x-y=0 represents a pair of lines, then k=

If x^(2)+k y^(2)+x-y=0 represents a pair of lines then k=

If the equation lambda x^(2)-5 x y+6 y^(2)+x-3 y=0 represents a pair of lines, then their point of intersection is

If x^(2)-k x y-y^(2)+2 y+2=0 represents a pair of lines than the value of k is

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

If a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0 represents a parallel lines, then

If the equation x^(2)+y^(2)+2gx+2fy+1=0 represents a pair of lines then

If 3x^(2)+xy-y^(2)-3x+6y+K=0 represents a pair of lines , then K=

If x^(2)-kxy+y^(2)+2y+2=0 represent a pair of st lines then k equals

HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
  1. A diagonal of the rectangle formed by the lines x^(2)-7x+6=0 and y^(...

    Text Solution

    |

  2. The equation of the pair of lines passing through (0,1) and parallel t...

    Text Solution

    |

  3. If 4 x y+2 x+2 f y+3=0 represents a pair of lines, then f=

    Text Solution

    |

  4. The equation of the pair of lines passing through the origin and each ...

    Text Solution

    |

  5. The equation of the pair of lines passing through the origin and perpe...

    Text Solution

    |

  6. If a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0 represents a parallel lines...

    Text Solution

    |

  7. The product of the perpendiculars from (1, 1) to the pair of lines x^(...

    Text Solution

    |

  8. If one of the lines ax^(2)+2hxy+by^(2)=0 bisects the angle between ...

    Text Solution

    |

  9. Equation of pair of lines passing through (2,1) and perpendicular to t...

    Text Solution

    |

  10. The values of p and q for which the equation 4 x^(2)+2 p x y+25 y^(2)+...

    Text Solution

    |

  11. Area of the parallelogram formed by 2 x^(2)+5 x y+3 y^(2)=0 and 2 x^(2...

    Text Solution

    |

  12. The four lines given by y^(2)-4 y+3=0 and x^(2)+4 x y+4 y^(2)-5 y-10 y...

    Text Solution

    |

  13. The four lines given by 3 x^(2)+10 x y+3 y^(2)=0 and 3 x^(2)+10 x y+3 ...

    Text Solution

    |

  14. The four lines given by the equations 12 x^(2)+7 x y-12 y^(2)=0 and 12...

    Text Solution

    |

  15. The point of intersection of perpendicular lines a x^(2)+3 x y-2 y^(2)...

    Text Solution

    |

  16. The coordinates of the orthocentre of the triangle formed by the lines...

    Text Solution

    |

  17. The area of the triangle formed by the lines x^(2 )+4 x y+y^(2)=0, x+y...

    Text Solution

    |

  18. The condition that the slope of one the lines of a x^(2)+2 h x y+b y^...

    Text Solution

    |

  19. The acute angle between the lines x^(2)-2 x y sec alpha+y^(2)=0 is

    Text Solution

    |

  20. Condition that a pair of lines are at right angle is

    Text Solution

    |