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 ENGLISH|Exercise Exercise (More Than One Correct Option Type Questions)|35 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS ENGLISH|Exercise Exercise (Statement I And Ii Type Questions)|12 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS ENGLISH|Exercise Exercise For Session 4|10 Videos

  • PROBABILITY

    ARIHANT MATHS ENGLISH|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|54 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

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

Similar Questions

Explore conceptually related problems

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

Find the angle between the lines whose direction-cosines are give l + 2m + 3n = 0 and 3lm - 4ln + mn = 0

Find the angle between the line whose direction cosines are given by l+m+n=0a n dl^2+m^2-n^2-0.

Find the angle between the line whose direction cosines are given by l+m+n=0a n d2l^2+2m^2-n^2-0.

Find the angle between the line whose direction cosines are given by l+m+n=0a n d2l^2+2m^2-n^2-0.

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 :

Find the angle between the lines whose direction cosines are given by the equations 3l+m+5n=0,6m n-2n l+5lm=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 cosine are given by the equation: "l"+"m"+"n"=0" and "l^2"+"m^2"-"n^2"=0

ARIHANT MATHS ENGLISH-PRODUCT OF VECTORS-Exercise (Single Option Correct Type Questions)
  1. If in a triangleABC, BC=(e)/(|e|)-(f)/(|f|) and AC=(2e)/(|e|): |e|ne|f...

    Text Solution

    |

  2. Unit vectors veca and vecb ar perpendicular , and unit vector vecc is ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. Find the perpendicular distance of a corner of a cube of unit side len...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. Let a,b,c be three non-coplanar vectors and d be a non-zerro vector, w...

    Text Solution

    |

  12. If alpha(axxb)+beta(bxxc)+gamma(cxxa)=0, then

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. If position vectors of the points A, B and C are a, b and c respectiv...

    Text Solution

    |