Home
Class 12
MATHS
Each question given below has four possi...

Each question given below has four possible answers out of which only one is correct. Choose the correct one. `veca.vecbxxveca` =

A

`vec0`

B

0

C

1

D

`veca^2vecb`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MBD PUBLICATION|Exercise QUESTION BANK|267 Videos

Similar Questions

Explore conceptually related problems

Each question given below has four possible answers, out of which only one is correct. Choose the correct one. (2hati-4hatj).(hati+hatj+hatk) = ______

Each question given below has four possible answers, out of which only one is correct. Choose the correct one. (hati+hatk)xx(hati+hatj+hatk) = ___

MBD PUBLICATION-VECTORS-QUESTION BANK
  1. Find the area of the parallelogram whose diagonals are vectors 3hati+h...

    Text Solution

    |

  2. Show that (veca-vecb)xx(veca+vecb) = 2(vecaxxvecb). Interpret this res...

    Text Solution

    |

  3. Each question given below has four possible answers out of which only ...

    Text Solution

    |

  4. (-veca).vecbxx(-vecc)) =

    Text Solution

    |

  5. For the non-zero vectors veca, vecb and vecc, veca.(vecbxxvecc) = 0 if

    Text Solution

    |

  6. Find the scalar triple product vecb.(veccxxveca) where veca, vecb and ...

    Text Solution

    |

  7. Find the scalar triple product vecb.(veccxxveca) where veca, vecb and ...

    Text Solution

    |

  8. Find the volume of the parallelopiped whose sides are given by the vec...

    Text Solution

    |

  9. Find the volume of the Parallelepiped whose sides are given by the vec...

    Text Solution

    |

  10. Show that the following vector are co-planar. hati-2hatj+2hatk, 3hati+...

    Text Solution

    |

  11. Show that the following vector are co-planar. hati+2hatj+3hatk, -2hati...

    Text Solution

    |

  12. Find the value of lambda so that the three vectors are co-planar. hati...

    Text Solution

    |

  13. Find the value of lambda so that the three vectors are co-planar. (2,-...

    Text Solution

    |

  14. If veca, vecb and vecc mutually perpendiculars, show that [veca.(vecbx...

    Text Solution

    |

  15. Show that [veca+vecbvecb+veccvecc+veca] = 2[vecavecbvecc]

    Text Solution

    |

  16. Prove that [vecaxxvecbvecbxxveccveccxxveca] = [vecavecbvecc]^2

    Text Solution

    |

  17. For veca = hati+hatj, vecb = -hati+2hatk, vecc = hatj+hatk, obtain vec...

    Text Solution

    |

  18. Prove that vecaxx(vecbxxvecc)+ vecbxx(veccxxveca)+veccxx(vecaxxvecb) =...

    Text Solution

    |

  19. If veca, vecb, vecc be unit vectors and vecaxx(vecbxxvecc) = 1/2hatb, ...

    Text Solution

    |

  20. Prove that the sum of the vectors directed from the vertices to the mi...

    Text Solution

    |