Home
Class 12
MATHS
Find vecaxxvecb, if veca=2hati+hatj+3hat...

Find `vecaxxvecb`, if `veca=2hati+hatj+3hatk and vecb=3hati+5hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
`sqrt(507)`
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION VII)|15 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTION FOR PRACTICE |60 Videos

Similar Questions

Explore conceptually related problems

Find |vecaxxvecb| if veca=2hati+hatj+3hatk and vceb=3hati+5hatj-2hatk .

Find vecaxxvecb , if : veca=hati-3hatj+4hatk and vecb=2hati+hatj+hatk .

Find |vecaxxvecb| if veca=hati-7hatj+7hatk and vceb=3hati-2hatj+2hatk .

Find |veca X vecb| ,if veca=hati-7hatj+7hatk and vecb=3hati-2hatj+2hatk

Find vecaxxvecb , if : veca=-hati+3hatk and vecb=hati+3hatj-2hatk .

Prove that vecaxxvecb ne vecb xx veca if : veca=2hati-3hatj-hatk and vecb=hati+4hatj-2hatk .

BETTER CHOICE PUBLICATION-VECTOR ALGEBRA -PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MCQ)
  1. With the help of vector method, prove that,cosA=(b^2+c^2-a^2)/(2bc)

    Text Solution

    |

  2. Prove that, in any triangle ABC, cos B=(c^2+a^2-b^2)/(2ca).

    Text Solution

    |

  3. Find vecaxxvecb, if veca=2hati+hatj+3hatk and vecb=3hati+5hatj-2hatk

    Text Solution

    |

  4. Find |vecaxxvecb|, if veca=3hati+4hatjand vecb=hati-hatj+hatk

    Text Solution

    |

  5. Find the unit vector perpendicular to the vector veca=-hati-2hatj+3h...

    Text Solution

    |

  6. Find the unit vector perpendicular to the vector veca=4hati-3hatj-ha...

    Text Solution

    |

  7. Using vector, prove that sin(A+B)=sinAcosB+cosAsinB

    Text Solution

    |

  8. Find the area of a parallelogram whose adjacent sides are : 3hati-4h...

    Text Solution

    |

  9. Find the area of a parallelogram whose adjacent sides are : 3hati+ha...

    Text Solution

    |

  10. Find the area of parallelogram whose adjacent sides are given by vecto...

    Text Solution

    |

  11. If veca+vecb+vecc=vec0, show that vecaxxvecb=veccxxveca. Interpret the...

    Text Solution

    |

  12. veca=hati-2hatj+3hatk and vecb=2hati+3hatj-5hatk find vecaxxvecb and v...

    Text Solution

    |

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

    Text Solution

    |

  14. The magnitude of the vector 2hati-6hatj-3hatk is :

    Text Solution

    |

  15. Show that the three points with position vectors -2hati+3hatj+5hatk,ha...

    Text Solution

    |

  16. The value of lambda for which the vectors veca=2hati+lambdahatj+hatk ...

    Text Solution

    |

  17. Let veca=4hati+5hatj-hatk,vecb=hati-4hatj+5hatk and vecc=3hati+hatj-ha...

    Text Solution

    |

  18. Find the scalar projection of vecb on veca where : veca=2hati-2hatj+ha...

    Text Solution

    |

  19. If veca=2hati-2hatj+hatk,vecb=hati+2hatj-2hatk and vecc=2hati-hatj+4ha...

    Text Solution

    |

  20. Find the area of the parallelogram whose diagonals are : veca=hati-2ha...

    Text Solution

    |