Home
Class 12
MATHS
Find the angle between the lines whos...

Find the angle between the lines whose direction cosines are connected by the relations `l+m+n=0a n d2//m+2n l-m n=0.`

Text Solution

Verified by Experts

The correct Answer is:
T
Promotional Banner

Topper's Solved these Questions

  • CO-ORDINATE GEOMETRY OF THREE DIMENSION

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE( FILL IN THE BLANKS)|16 Videos

  • CO-ORDINATE GEOMETRY OF THREE DIMENSION

    ML KHANNA|Exercise MATCHING ENTRIES (MATCH THE ENTERIES OF COLUMN-II WITH THOSE OF COLUMN-II UNDER THE FOLLOWING CONDITIONS : )|4 Videos

  • CO-ORDINATE GEOMETRY OF THREE DIMENSION

    ML KHANNA|Exercise PROBLEM SET (4)|19 Videos

  • BINOMIAL THEOREM AND MATHEMATICAL INDUCTION

    ML KHANNA|Exercise Self Assessment Test |35 Videos

  • COMPLEX NUMBERS

    ML KHANNA|Exercise Assertion / Reason |2 Videos

Similar Questions

Explore conceptually related problems

Find the angle between the lines whose direction cosines are connected by the relations l+m+n=0and2lm+2nl-mn=0

Find the angle between the lines whose direction cosines are given by the equations 3l+m+5n=0 and 6mn-2nl+5lm=0

If (theta) is an angle between two lines whose direction cosines are connected by the relations l-5m+3n=0 and 7l^(2)+5m^(2)-3n^(2)=0 then 12cos^(2)theta =

Find the angle between the lines whose direction cosines are given by the equations 3l+m+5n=0,6mm-2nl+5l=0

The angle between the lines whose direction cosines are given by the equatios l^2+m^2-n^2=0, m+n+l=0 is

Find the angle between the lines whose direction cosine are given by the equation: "l"-"m"+"n"=0" and l"^2-"m"^2-"n"^2=0

Find the angle between the lines whose direction cosines has the relation l+m+n=0 and 2l^(2)+2m^(2)-n^(2)=0 .

ML KHANNA-CO-ORDINATE GEOMETRY OF THREE DIMENSION-MISCELLANEOUS EXERCISE(TRUE AND FALSE)
  1. Show that the three lines drawn from the origin with direction cosines...

    Text Solution

    |

  2. If a variable line in two adjacent position has direction cosines l,m,...

    Text Solution

    |

  3. Find the angle between the lines whose direction cosines are connec...

    Text Solution

    |

  4. Show that the straight lines whose direction cosines are given by t...

    Text Solution

    |

  5. The equation of the plane through the points (1,1,1),(1,-1,1) and (-7,...

    Text Solution

    |

  6. The equation of the plane through the points (2,2,1) and (9,3,6) and p...

    Text Solution

    |

  7. The equation of the plane through the intersection of the planes x-2y+...

    Text Solution

    |

  8. A variable plane at a constant distance p from the origin meets the ax...

    Text Solution

    |

  9. A variable plane is at a constant distance p from the origin and meets...

    Text Solution

    |

  10. A plane a constant distance p from the origin meets the coordinate axe...

    Text Solution

    |

  11. The equation 2x^(2) -6y^(2) - 12z^(2)+18 yz +2zx + xy =0 represents a ...

    Text Solution

    |

  12. The lines (x-1)/1=(y-2)/2=(z-3)/3 and x/2=(y+2)/2=(z-3)/-2 are paral...

    Text Solution

    |

  13. The lines (x-1)/2=(y-2)/2=(z-3)/0 and (x-2)/0=(y+3)/0=(z-4)/1 are pa...

    Text Solution

    |

  14. The plane x-2y+z-6=0 and the line x/1=y/2=z/3 are related as the line ...

    Text Solution

    |

  15. Find the length of the perpendicular from point (3,4,5) on the line (x...

    Text Solution

    |

  16. Find the angle between the lines in which the planes : 3x - 7y - 5z ...

    Text Solution

    |

  17. The lines 2x+3y-4z=0 ,3x-4y+z=7 5x-y-3z+12=0, x-7y+5z-6=0 are parell...

    Text Solution

    |

  18. The lines (x-5)/4=(y-7)/4=(z+3)/-5 and (x-8)/7=(y-4)/1=(z-5)/3 are cop...

    Text Solution

    |

  19. A sphere of constant radius k , passes through the origin and me...

    Text Solution

    |

  20. A variable plane passes through a fixed point (a ,b ,c) and cuts th...

    Text Solution

    |