Home
Class 12
MATHS
Find the angle between the pair of line:...

Find the angle between the pair of line: vecr=3hati+2hatu-4hatk+lamds(hati+2hatj+2hatk), vecr=5hati-2hatk+mu(3hati+2hatj+6hatk)`

A

`cos^(-1) (21/16)`

B

`cos^(-1)(19/21)`

C

`cos^(-1)(21/15)`

D

`cos^(-1) (15/21)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • INTEGRATION

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|582 Videos

  • LINEAR PROGRAMMING

    NIKITA PUBLICATION|Exercise MCQs|101 Videos

Similar Questions

Explore conceptually related problems

Find the angle between the pair of line: vecr=3hati+2hatj-4hatk+lamda(hati+2hatj+2hatk), vecr=5hati-2hatk+mu(3hati+2hatj+6hatk)

Find the angle between the pair of line: vecr=4hati=hatj+lamda(hati=2hatj-2hatk) and vecr=hati-hatj+2hatk-mu(2hati+3hatj-4hatk)

Find the angle between the lines vecr=3hati-2hatj+6hatk+lamda(2hati+hatj+2hatk) and vecr=(2hatj-5hatk)+mu(6hati+3hatj+2hatk) .

Find the angle between the following pair of line: vecr=3hati+hatj-2hatk+lamda(hati-hatj-2hatk) and vecr=2hati-hatj-56hatk+mu(3hati-5hatj-3hatk)

Find the angle between the following pair of line: r=2hati-=5hatj+hatk+lamda(3hati+2hatj+6hatk) and vecr=7hati-6hatk+mu(hati+2hatj+2hatk)

Find the angle between the line: vecr=4hati-hatj+lamda(hati+2hatj-2hatk) and vevr=hati-hatj+2hatk-mu(2hati+4hatj-4hatk)

Find the shortest distance between the following pair of line: vecr=hati+hatj+lamda(2hati-hatj+2hatk), vecr=2hati+hatj-hatk+mu(3hati-5hatj+2hatk)

The angle between the lines vecr=(2hati-5hatj+hatk)+lamda(3hati+2hatj+6hatk)andvecr=(7hati-6hatk)+mu(hati+2hatj+2hatk) is

Find the angle between the line vecr = (hati +2hatj -hatk ) +lambda (hati - hatj +hatk) and vecr cdot (2hati - hatj +hatk) = 4.

NIKITA PUBLICATION-LINE-MULTIPLE CHOICE QUESTIONS
  1. If the lines x-2 = ay-3 =(2-z)/3 and bx +1 = y+4=z are perpendicular t...

    Text Solution

    |

  2. The lines (x-2)/(1)=(y-3)/(1)=(z-4)/(-k) and (x-1)/(k)=(y-4)/(2)=(z-5)...

    Text Solution

    |

  3. Find the angle between the pair of line: vecr=3hati+2hatu-4hatk+lamds(...

    Text Solution

    |

  4. Find the angle between the following pair of line: r=2hati-=5hatj+hatk...

    Text Solution

    |

  5. Find the angle between the pair of lines (x -1 )/(4) = ( y - 3)/(1)...

    Text Solution

    |

  6. The acute angle between the lines (x+4)/-1 = (y-2)/2 = (z-3)/2 and x/2...

    Text Solution

    |

  7. The angle between the lines (x+1)/2 = (y+3)/2 = (z-4)/-1 and (x-4)/1 =...

    Text Solution

    |

  8. The angle between the lines (x-1)/1 = (y-1)/1 = (z-1)/2 and (x-1)/(-sq...

    Text Solution

    |

  9. The angle between the lines 2x=3y=-z and 6x=-y=-4z is

    Text Solution

    |

  10. Find the angle between the following pair of lines: A lines with direc...

    Text Solution

    |

  11. The acute angle between the line joining the points A(2,1,-3), B(1,-1,...

    Text Solution

    |

  12. The angle between the lines r = (2hati + hatj - 3hatk) + lambda(hati -...

    Text Solution

    |

  13. The angle between the lines whose direction cosines are proportional t...

    Text Solution

    |

  14. The angle made by line AB with perpendicular of co-ordinates axes if A...

    Text Solution

    |

  15. A91,0,4),B(0,-11,3),C(2,-3,1) are three points and D is the foot of pe...

    Text Solution

    |

  16. Find the length of the perpendicular from ( 3,2,1) to the line (x - 7)...

    Text Solution

    |

  17. Find the length of the perpendicular from ( 3,2,1) to the line (x - 7)...

    Text Solution

    |

  18. The foot of the perpendicular drawn from point (2,-3,1) to the line (x...

    Text Solution

    |

  19. Find the length of the perpendicular from ( 3,2,1) to the line (x - 7)...

    Text Solution

    |

  20. 2/ Find the perpendicular distance of the point (1, 0, 0) from the lin...

    Text Solution

    |