Home
Class 11
MATHS
If veca=-3hati+hatj-7hatk and vecb=6hati...

If `veca=-3hati+hatj-7hatk` and `vecb=6hati+2hatj-3hatk`, verify
(i) `veca` and `hataxxhatb` are perpendicular to each other.
(ii) `vecb` and `vecaxxvecb` are perpendicular to each other.

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA-I

    FULL MARKS|Exercise EXERCISE 8.1|12 Videos
  • VECTOR ALGEBRA-I

    FULL MARKS|Exercise EXERCISE 8.2|17 Videos
  • TWO DIMENSIONAL ANALYTICAL GEOMETRY

    FULL MARKS|Exercise Additional Questions Solved|19 Videos

Similar Questions

Explore conceptually related problems

If veca=hati+2hatj+3hatk and vecb=2hati+3hatj-5hatk then find axxb . Verify that veca and vecaxxvecb are perpendicular to each other.

If veca=3hati-2hatj+hatk and vecb=2hati-4hatj+hatk then find |veca-2vecb|.

If veca=hati+hatj+hatk, veca.vecb=1 and vecaxxvecb=hatj-hatk then vecb

If veca=2hati+2hatj+3hatk,vecb=-hati+2hatj+hatk and vecc=3hati+hatj be such that veca+lamdavecb is perpendicular to vecc then find lamda

If veca=-3hati-hatj+5hatk , vecb=hati-2hatj+hatK , vecc=4hatj-5hatk , find veca.(vecbxxvecc) .

If veca=2hati+hatj-hatk, vecb= -hati+2hatj+hatk, vecc=-hati+2hatj-hatk then the unit vector perpendicular to both veca+vecb and vecb +vec c is :

If veca=hati+hatj+hatk and vecb = hati-2hatj+hatk then find vector vecc such that veca.vecc = 2 and veca xx vecc = vecb

FULL MARKS-VECTOR ALGEBRA-I-ADDITIONAL PROBLEMS
  1. If veca=-3hati+hatj-7hatk and vecb=6hati+2hatj-3hatk, verify (i) vec...

    Text Solution

    |

  2. Shown that the points with position vectors veca-2vecb+3vecc,-2veca+3v...

    Text Solution

    |

  3. If ABC and A'B'C' are two triangles and G, Gʻ be their corresponding c...

    Text Solution

    |

  4. Prove using vectors the mid-points of two opposite sides of a quadrila...

    Text Solution

    |

  5. Show that the vectors 2hati-3hatj+4hatk are -4hati+6hatj-8hatk are col...

    Text Solution

    |

  6. Find the unit vectors parallel to the sum of 3hati-5hatj+8hatk and -2h...

    Text Solution

    |

  7. Show that the points whose position vectors are 4veci +5vecj+6veck, 5v...

    Text Solution

    |

  8. Prove that the points 2hati+3hatj+4hatk,3hati+4hatj+2hatk,4hati+2hatj+...

    Text Solution

    |

  9. Examine whether the vectors hati+3hatj+hatk,2hati-hatj-hatk and 7hatj+...

    Text Solution

    |

  10. Find lamda so that the vectors 2hati+lamdahatj+hatk and hati-2hatj+hat...

    Text Solution

    |

  11. If |veca+vecb|=60,|veca-vecb|=40" ""and"" " |vecb|=46,"then" |veca|is

    Text Solution

    |

  12. If the sum of two unit vectors is a unit vector prove that the magnitu...

    Text Solution

    |

  13. Show that the vectors 3hati-2hatj+hatk,hati-3hatj+5hatk and 2hati+hatj...

    Text Solution

    |

  14. Find the projection of : (i) hati-hatj on Z-axis (ii) hati+2hatj-2ha...

    Text Solution

    |

  15. Show that the vector hati+hatj+hatk is equally inclined with the coord...

    Text Solution

    |

  16. If veca,vecb,vecc are three mutually perpendicular unit vectors, then ...

    Text Solution

    |

  17. Show that the points whose positions vectors 4hati-3hatj+hatk,2hati-4h...

    Text Solution

    |

  18. Let vec(u),vec(v),vec(w)" be vectors such that "vec(u)+vec(v)+vec(w)=v...

    Text Solution

    |

  19. If vecp=-3veci+4vecj-7veck ans vecq=6veci+2vecj-3veck then find vecpxx...

    Text Solution

    |

  20. If veca.vecb are say two vectors, then prove that abs(vecaxxvecb)^(2)+...

    Text Solution

    |

  21. Find the angle between the vectors 2hati+hatj-hatk and hati+2hatj+hatk...

    Text Solution

    |