Home
Class 12
MATHS
Find the value of k if the angle between...

Find the value of `k` if the angle between the straight lines `4x-y+7=0, kx-5y-9-0` is `45^(@)`

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER

    SRISIRI PUBLICATION|Exercise SECTION - C|36 Videos

  • QUESTION PAPER

    SRISIRI PUBLICATION|Exercise SECTION - A|25 Videos

  • PROPERTIES OF TRIANGLES

    SRISIRI PUBLICATION|Exercise LAQ ,SAQ,VSAQ (2DHARDQ) (3DMIS.Q)|44 Videos

  • SOLVED MODEL PAPER - 4

    SRISIRI PUBLICATION|Exercise Long Answer Questions|9 Videos

Similar Questions

Explore conceptually related problems

The value of k, if the angle between the straight lines 4x-y+8=0,kx-5y-9=0 is 45^(@) is

Find the value of k if the angle between the straight kx+y+9=0, 3x-y+4=0 is pi//4

The value of K gt 0 such that the angle between the lines 4x-y+7=0 and kx-5y-9=0 is 45^@ , is

The angle between the lines 4x-y+9=0, 25x+15y+27=0 is

The bisector of acute angle between the straight lines 4x+3y-6=0 and 5x+12y+9=0 is

If the acute angle between the lines 4x-y+7=0, kx+5y-9=0 is 45^(@) , then the value of k is

Find the angle between the lines 3x+5y=7,2x-y+4=0

SRISIRI PUBLICATION-QUESTION PAPER -SECTION - B
  1. If the straight lines ax+by+c=0, bx+cy=a=0 and cx=ay+b=0 are concurren...

    Text Solution

    |

  2. Find the equation of the line passing through the point of intersectio...

    Text Solution

    |

  3. Find the value of k if the angle between the straight lines 4x-y+7=0, ...

    Text Solution

    |

  4. A straight line with slope 1 passes through Q(-3,5) and meets the stra...

    Text Solution

    |

  5. Show that f(x)={{:((cosax-cosbx)/(x^(2))," if " xne0),((1)/(2)(b^(2)...

    Text Solution

    |

  6. If f is given by f(x)={{:(k^(2)x-k,"if "xge1),(2,"if "xlt1):} is a co...

    Text Solution

    |

  7. Is f given by f(x)={{:((x^2-9)/(x^2-2x-3)" if "0ltxlt5 " and "xne3),(1...

    Text Solution

    |

  8. Find the derivative of sin2x from the first principles .

    Text Solution

    |

  9. Find the derivative of cosax from the first Principle.

    Text Solution

    |

  10. Find the derivative of tan2x from the first principle.

    Text Solution

    |

  11. Find the derivative of cos^(2)x from the first principle.

    Text Solution

    |

  12. Find the derivative of xsinx from the first principle.

    Text Solution

    |

  13. Find the derivative of the function from first principle x ^(2)

    Text Solution

    |

  14. A particle is moving in a straight line so that after 't' seconds its ...

    Text Solution

    |

  15. The distance-time formula for the motion of a particle along a straigh...

    Text Solution

    |

  16. A stone is dropped into a quiet lake and ripples move in circles at th...

    Text Solution

    |

  17. The volume of a cube is increasing at a rate of 8 cubie centimeters pe...

    Text Solution

    |

  18. Find the equations of the tangent and the normal to the curve y^(4)=ax...

    Text Solution

    |

  19. Find the equations of the tangent and the normal to the curve y=x^(3)+...

    Text Solution

    |

  20. Show that the curves x^(2)+y^(2)=2, 3x^(2)+y^(2)=4x have a common tang...

    Text Solution

    |