Home
Class 12
MATHS
The angle between the lines whose direct...

The angle between the lines whose directionn cosines are given by `2l-m+2n=0, lm+mn+nl=0` is

A

`(pi)/(6)`

B

`(pi)/(4)`

C

`(pi)/(3)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|36 Videos
  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Statement I And Ii Type Questions)|12 Videos
  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise For Session 4|10 Videos
  • PROBABILITY

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|55 Videos
  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|21 Videos

Similar Questions

Explore conceptually related problems

The angle between the lines whose direction cosines are given by 3l+4m+5n=0 , l^(2)+m^(2)-n^(2)=0 is

Find the angle between the lines whose direction-cosines are given by : (i) l + m + n = 0, l^(2) + m^(2) - n^(2) = 0 (ii) 2l - m + 2n = 0 , mn + nl + lm = 0 ,

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

An angle between the lines whose direction cosines are given by the equations, 1+ 3m + 5n =0 and 5 lm - 2m n + 6 nl =0, is :

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-cosines are give /+2m+3n=0 and 3/m-4/n+mn=0'

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

ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (Single Option Correct Type Questions)
  1. Let the unit vectors a and b be perpendicular and the unit vector c be...

    Text Solution

    |

  2. In triangle ABC the mid point of the sides AB, BC and AC respectively ...

    Text Solution

    |

  3. The angle between the lines whose directionn cosines are given by 2l-m...

    Text Solution

    |

  4. A line makes an angle theta both with x-axis and y-axis. A possible ra...

    Text Solution

    |

  5. Let veca, vecb and vecc be the three vectors having magnitudes, 1,5 an...

    Text Solution

    |

  6. Find the perpendicular distance of a corner of a unit cube from a dia...

    Text Solution

    |

  7. If p,q are two-collinear vectors such that (b-c)ptimesq+(c-a)p+(a-b)q...

    Text Solution

    |

  8. Let a=hat(i)+hat(j)+hat(k), b=-hat(i)+hat(j)+hat(k), c=hat(i)-hat(j)+h...

    Text Solution

    |

  9. A parallelepiped is formed by planes drawn parallel to coordinate axes...

    Text Solution

    |

  10. Let bar a,bar b,bar c be three non-coplanar vectors and bar d be a no...

    Text Solution

    |

  11. If alpha(atimesb)+beta(btimesc)+gamma(ctimesa)=0, then

    Text Solution

    |

  12. Let area of faces triangleOAB=lambda1, triangleOAC=lambda2, triangleOB...

    Text Solution

    |

  13. Given four non zero vectors bar a,bar b,bar c and bar d. The vectors ...

    Text Solution

    |

  14. The shortest distance between a diagonal of a unit cube and the edge s...

    Text Solution

    |

  15. Let vec V=2 hat i+ hat j- hat ka n d vec W= hat i+3 hat kdot If vec ...

    Text Solution

    |

  16. The length of the edge of the regular tetradedron ABCD is 'a'. Points ...

    Text Solution

    |

  17. If the two adjacent sides of two rectangles are represented by vect...

    Text Solution

    |

  18. Let veca,vec b,vec c are three vectors along the adjacent edges ofa t...

    Text Solution

    |

  19. The angle theta between two non-zero vectors a and b satisfies the rel...

    Text Solution

    |

  20. If the angle between the vectors vec(a)=hat(i)+(cos x)hat(j)+hat(k) a...

    Text Solution

    |