Home
Class 12
MATHS
Find the angle between the line whose ...

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

Promotional Banner

Topper's Solved these Questions

  • THEORY OF EQUATIONS

    CENGAGE PUBLICATION|Exercise JEE ADVANCED (Numerical Value Type )|1 Videos

  • THREE-DIMENSIONAL GEOMETRY

    CENGAGE PUBLICATION|Exercise ARCHIVES INTEGER TYPE|1 Videos

Similar Questions

Explore conceptually related problems

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 two straight lines whose direction cosines are given by l+2m+3n=0, 3lm-4ln+mn=0

Find the acute angle between the two straight lines whose direction cosines are given by l+m+n=0, l^(2)+m^(2)-n^(2)=0

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 two straight lines whose direction cosines are given by 2l+2m-n=0, mn+nl+lm=0

Find the angle between the lines whose direction cosines are connected by the relations l+m+n=0a n d2lm+2n l-m n=0.

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

Find the acute angle vetween two straight lines whose direction cosines are given by the equations l-5m+3n=0 and 7l^(2)+5m^(2)-3n^(2)=0

Show that the straight lines whose direction cosines are given by al+bm+cn=0 and pl^(2)+qm^(2)+rn^(2)=0 are parallel if a^(2)/p+b^(2)/q+c^(2)/r=0 .

The angle between the lines whose direction cosines satisfy the equations l + m + n = 0 and l^(2) = m^(2) + n^(2) is

CENGAGE PUBLICATION-THREE DIMENSIONAL GEOMETRY-All Questions
  1. Find the angle between the line whose direction cosines are given ...

    Text Solution

    |

  2. A line makes angles alpha,beta,gammaa n ddelta with the diagonals of a...

    Text Solution

    |

  3. A B C is a triangle and A=(2,3,5),B=(-1,3,2) and C= (lambda,5,mu). I...

    Text Solution

    |

  4. A line O P through origin O is inclined at 30^0a n d45^0toO Xa n dO Y ...

    Text Solution

    |

  5. If alpha,beta,a n dgamma are the angles which a directed line makes ...

    Text Solution

    |

  6. If the sum of the squares of the distance of a point from the three...

    Text Solution

    |

  7. If A(3,2,-4),B(5,4,-6)a n dC(9,8,-10) are three collinear points, t...

    Text Solution

    |

  8. Find the ratio in which the y-z plane divides the join of the po...

    Text Solution

    |

  9. A line passes through the points (6,-7,-1)a n d(2,-3,1)dot Find te ...

    Text Solution

    |

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

    Text Solution

    |

  11. Find the point where line which passes through point (1,2,3) and i...

    Text Solution

    |

  12. Find the equation of the line passing through the points (1,2,3)a n...

    Text Solution

    |

  13. Find the equation of the line passing through the point (-1,2,3) an...

    Text Solution

    |

  14. The line joining the points (-2,1,-8)a n d(a ,b ,c) is parallel to...

    Text Solution

    |

  15. A parallelepiped is formed by planes drawn through the points P(6,8...

    Text Solution

    |

  16. Find the angle between any two diagonals of a cube.

    Text Solution

    |

  17. Direction ratios of two lines are a ,b ,c and 1/(bc) ,1/(ca) ,1/(ab)...

    Text Solution

    |

  18. Find the equation of the line passing through the intersection of (x...

    Text Solution

    |

  19. The straight line (x-3)/3=(y-2)/1=(z-1)/0 is (a)Parallel to x-axis ...

    Text Solution

    |

  20. Show that the lines (x-5)/(4)=(y-7)/(4)= (z+3)/(-5) and (x-8)/(7)=(y-4...

    Text Solution

    |