Home
Class 12
MATHS
If veca=hati+hatj+hatk and vecb=hatj-hat...

If `veca=hati+hatj+hatk` and `vecb=hatj-hatk`, find a vector `vecc` such that `vecaxxvecc=vecb` and `veca*vecc=3`.

Text Solution

Verified by Experts

The correct Answer is:
`vecc=5/3hati+2/3hatj+2/3hatk`.
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 1 MARK (TYPE - III : TRUE RO FALSE QUESTIONS)|15 Videos
  • THREE DIMENSIONAL GEOMETRY

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 6 MARKS:|56 Videos

Similar Questions

Explore conceptually related problems

If veca=2hati+3hatj-5hatk and vecb=hati+hatj-hatk , then veca*vecb is :

If veca=2hati+3hatj-5hatk and vecb=hati+hatj-hatk , then veca*vecb is :

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

IF veca=2hati-hatj+2hatk and vecb=6hati+2hatj+3hatk , find a unit vector parallel to veca+vecb .

If veca=2hati+hatj+7hatk and vecb=5hati-3hatj+10hatk , then veca*vecb is :

Let veca = 2hati + hatj-2hatk, and vecb = hati+ hatj if c is a vector such that veca .vecc = |vecc|, |vecc -veca| = 2sqrt2 and the angle between veca xx vecb and vec is 30^(@) , then |(veca xx vecb)|xx vecc| is equal to

If veca=3hati-hatj+2hatk and vecb=-hati-2hatj+4hatk , find a unit vector along the vector (veca+vecb) .

If veca=hati-hatj+2hatk and vecb=2hati+hatj-hatk , find : (2veca-vecb)xx(veca+2vecb) .

ACCURATE PUBLICATION-VECTOR ALGEBRA-QUESTIONS CARRYING 2 MARKS
  1. Dot product of a vector with vectors hati-hatj+hatk,2hatk+hatj+3hatk a...

    Text Solution

    |

  2. If veca+vecb+vecc=vec0 and |veca|=3,|vecb|=5,|vecc|=7, show that the a...

    Text Solution

    |

  3. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

    Text Solution

    |

  4. If veca, vecb, vecc are mutually perpendicular vectors of equal magnit...

    Text Solution

    |

  5. If veca,vecb,vecc are three vectors such that : |veca|=5,|vecb|=12 and...

    Text Solution

    |

  6. If with reference to the right handed system of mutually perpendicular...

    Text Solution

    |

  7. Using vectors, prove that a parallelogram whose diagonals are equal is...

    Text Solution

    |

  8. For any vector veca the value of (vecaxxhati)^(2)+(vecaxxhatj)^(2)+(ve...

    Text Solution

    |

  9. Find a unit vector perpendicular to the plane of triangle ABC where th...

    Text Solution

    |

  10. Find a unit vector perpendicular to each of the vectors (veca+vecb) an...

    Text Solution

    |

  11. Find a vector of magnitude sqrt(171), which is perpendicular to both o...

    Text Solution

    |

  12. Find a vector of magnitude 5 units, perpendicular to each of the vecto...

    Text Solution

    |

  13. Find the area of a parallelogram whose adjacent sides are represented ...

    Text Solution

    |

  14. If veca=2hati-3hatj+hatk, vecb=hati+hatk, vecc=2hatj-hatk are three ve...

    Text Solution

    |

  15. With help of vectors find the area of the triangle with vertices A(2,3...

    Text Solution

    |

  16. Using vectors find the area of the triange ABC with vertices A(1,2,3),...

    Text Solution

    |

  17. If vecaxxvecb=veccxxvecdand vecaxxvecc=vecbxxvecd, show that veca-vecd...

    Text Solution

    |

  18. If veca=hati+hatj+hatk and vecb=hatj-hatk, find a vector vecc such tha...

    Text Solution

    |

  19. Let veca=hati+4hatj+2hatk,vecb=3hati-2hatj+7hatk and vecc=2hati-hatj+4...

    Text Solution

    |

  20. If vecr=xhati+yhatj+zhatk, find : (vecrxxhati)*(vecrxxhatj)+xy.

    Text Solution

    |