Home
Class 12
MATHS
Find the angle between the vectors veca=...

Find the angle between the vectors `veca=hati-2hatj+3hatk and vecb=3hati-2hatj-hatk``

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    PSEB|Exercise Exercise|82 Videos
  • THREE DIMENSIONAL GEOMETRY

    PSEB|Exercise Exercise|77 Videos

Similar Questions

Explore conceptually related problems

Find the angle between the vectors : veca=3hati-2hatj+hatk and vecb=hati-2hatj-3hatk .

Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+hatj-hatk .

Find the angle between the vectors : veca=hati+hatj-hatk and vecb=hati-hatj+hatk .

PSEB-VECTOR ALGEBRA-Exercise
  1. If vec a and vec b are two collinear vectors then which of the followi...

    Text Solution

    |

  2. Find the angle between two vectors veca and vecb with magnitudes sqrt3...

    Text Solution

    |

  3. Find the angle between the vectors veca=hati-2hatj+3hatk and vecb=3hat...

    Text Solution

    |

  4. Find the projection of the vector hati + hatj on the vector hati -hatj

    Text Solution

    |

  5. Find the projection of the vector veci + 3vecj + 7veck on the vector ...

    Text Solution

    |

  6. Show that the given vector is a unit vector: (1/7)(2hati + 3hatj + 6h...

    Text Solution

    |

  7. Show that the given vector is a unit vector: (1/7)(3hati - 6hatj + 2h...

    Text Solution

    |

  8. Show that the given vector is a unit vector: (1/7)(6veci + 2vecj - 3v...

    Text Solution

    |

  9. Find |veca| and |vecb|, if (veca+vecb)*(veca-vecb)=8 and |veca|=8|vecb...

    Text Solution

    |

  10. Evaluate the product (3 hata-5hatb) cdot(2hata+7hatb)

    Text Solution

    |

  11. Find the magnitude of two vectors veca and vecb, having the same magni...

    Text Solution

    |

  12. Find |vecx|, if for a unit vector veca, (vecx - veca)cdot(vecx+veca)...

    Text Solution

    |

  13. If veca = 2veci + 2vecj + 3veck, vecb = -veci + 2vecj + veck and vecc ...

    Text Solution

    |

  14. Show that |veca|vecb + |vecb|veca is perpendicular to |veca|vecb-|vec...

    Text Solution

    |

  15. If veca cdot veca = 0 and veca cdot vecab = 0, then what can be concl...

    Text Solution

    |

  16. If veca, vecb, vecc are unit vectors such that veca+vecb+vecc=0, find...

    Text Solution

    |

  17. If either vector veca = 0or vecb = 0, then veca cdot vecb = 0.But the...

    Text Solution

    |

  18. If the vertices A, B, C of a triangle ABC are (1,2,3), (-1,0,0), (0,1,...

    Text Solution

    |

  19. Show that the points A(1,2,7), B(2,6,3) ਅਤੇ C(3,10,-1) are collinear.

    Text Solution

    |

  20. Show that the points A(2veci-vecj+veck), B(veci-3vecj-5veck), C(3veci-...

    Text Solution

    |