Home
Class 11
MATHS
If vecbara=2bari+3barj-4bark,vecb=bari+b...

If `vecbara=2bari+3barj-4bark,vecb=bari+barj+bark,vecc=4bari+2barj+3bark` then `abs(vecaxx(vecbxxvecc))=`

A

`sqrt(10)`

B

1

C

2

D

`sqrt5`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MULTIPLE PRODUCT OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|62 Videos

  • MULTIPLE PRODUCT OF VECTORS

    AAKASH SERIES|Exercise EXERCISE-I|40 Videos

  • MULTIPLE & SUBMULTIPLE ANGLES

    AAKASH SERIES|Exercise PRACTICE EXERCISE|68 Videos

  • PAIR OF STRAIGHT LINES

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|15 Videos

Similar Questions

Explore conceptually related problems

If bara=2bari+3barj-bark,barb=-bari+2barj-4bark, barc=bari+barj+bark then abs((baraxxbarb)· (barbxxbarc)) =

If bara=2bari+barj-bark,barb=-bari+2barj-4bark,barc=bari+barj+bark then find (baraxxbarb).(barbxxbarc)

If bara=bari+barj+bark,bara.barb=1,baraxxbarb=2bari+barj-3bark then 3barb=

If bara =bari -2barj-3bark,barb =2bari + barj-bark, barc = bari +3barj-2bark and baraxx(barbxxbarc)=pbari+1barj+rbark then p+q+r=

If veca=bari-2barj-3bark,barb=2bari+barj-bark,barc=bari+3barj-2bark then compute bara.(barbxxbarc)

If bara = bari - 2barj - 3bark, barb = 2bari + barj - bark , barc = bari + 3barj - 2bark then find bar(a) xx (barb xx barc) and |(barb xx barc) xx barc | .

If bara=bari+2barj+bark,barb=2bari+barj-bark,barc=3bari-barj+2bark then find baraxx(barbxxbarc),(baraxxbarb)xxbarc then show that they are not equal.

[bari-barj bark]+[-bari-barj bark]+[bari-bark bark] =

If bara= bari-2barj-3bark, barb= 2bari+barj-bark, barc= bari+3barj-2bark , find bara xx (barb xx barc) .

AAKASH SERIES-MULTIPLE PRODUCT OF VECTORS-EXERCISE -II
  1. If veca,vecb,vecc,vecd are coplaner vectors, then (vecaxxvecb)xx(veccx...

    Text Solution

    |

  2. If bara =bari -2barj-3bark,barb =2bari + barj-bark, barc = bari +3barj...

    Text Solution

    |

  3. If vecbara=2bari+3barj-4bark,vecb=bari+barj+bark,vecc=4bari+2barj+3bar...

    Text Solution

    |

  4. Let bara=2bari+barj-2bark,barb=bari+barj. If barc is a vector such tha...

    Text Solution

    |

  5. If baraxx(barbxxbarc)=(baraxxbarb)xxc' then which of the following is ...

    Text Solution

    |

  6. If bara,barb are two units vectors inclined at an angle pi/3 then {axx...

    Text Solution

    |

  7. sum[(baraxxbari)xxbarj]^(2)=

    Text Solution

    |

  8. [barb barc barbxxbarc]+{barb.barc}^(2)=

    Text Solution

    |

  9. If bara=bari+barj-bark,barb=bari-barj+bark,barc is a unit vector perpe...

    Text Solution

    |

  10. (barbxxbarc).(axxbard)+(barcxxbara).(barbxxbard)+(baraxxbarb).(barcxxb...

    Text Solution

    |

  11. If bara is parallel to barbxxbarc then (baraxxbarb).(baraxxbarc))=

    Text Solution

    |

  12. If bara, barb lie in a plane, normal to the plane containing barc, bar...

    Text Solution

    |

  13. [(baraxxbarb)xx(barbxxbarc)(barbxxbarc)xx(barcxxbara)(barcxxbara)xx(ba...

    Text Solution

    |

  14. If barA=baraxxbarb,barB=barbxxbarc,barC=barcxxbara then barAxx(barBxxb...

    Text Solution

    |

  15. Given that barc is in the plane of bara, barb and bard is not iri the ...

    Text Solution

    |

  16. [barbxxbarcbarcxxbarabaraxxbarb]=[barabarbbarc]^(k) then k=

    Text Solution

    |

  17. If bara, barb, barc are non-coplanar, non zero vectors then (baraxxbar...

    Text Solution

    |

  18. [barb barc bard]bara-[bara barc bard]barb+[bara barb bard]barc-[bara b...

    Text Solution

    |

  19. (baraxxbari).(barjxxbark)+(baraxxbarj).(barkxxbari)+(baraxxbark).(bari...

    Text Solution

    |

  20. If bara, barb, barc, bard are any four vectors then (baraxx barb) xx (...

    Text Solution

    |