Home
Class 12
MATHS
[bar(a)" "bar(b)" "bar(a)xxbarb] is equa...

`[bar(a)" "bar(b)" "bar(a)xxbarb]` is equal to

A

`|baraxxbarb|`

B

`|baraxxbarb|^2`

C

0

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    TARGET PUBLICATION|Exercise Critical Thinking|35 Videos
  • VECTORS

    TARGET PUBLICATION|Exercise Competitive Thinking|79 Videos
  • TRIGONOMETRIC FUNCTIONS

    TARGET PUBLICATION|Exercise Evaluation Test|34 Videos

Similar Questions

Explore conceptually related problems

If bar(d) is unit vector such that bar(d)=(bar(b)xxbar(c))+u=(bar(c)xx^(-))+v=(bar(a)xxbar(b)))|(bar(d)*bar(a))(bar(b)xxbar(c))+(bar(d)*bar(b))(bar(c)xxbar(a))+(bar(d)*bar(c))(bar(a)xxbar(b))| is equal to

If bar(a)bar(b)bar(c) are three non-zero and non-null sand is any vector in space,then [bar(b)bar(c)bar(r)]bar(a)+[bar(c)bar(a)bar(r)]bar(b)+[bar(a)bar(b)bar(r)]bar(c) is equal to

The value of [(bar(a)+2bar(b)-bar(c))(bar(a)-bar(b))(bar(a)-bar(b)-bar(c))] is equal to the box product

bar(a),bar(b),bar(c) are three vectors such that |bar(a)|=1,|bar(b)|=2,|bar(c)|=3 and bar(b),bar(c) are perpendicular to each other.If the projection of bar(b) along bar(a) is same as that of bar(c) along bar(a) then |bar(a)-bar(b)+bar(c)| is equal to

If [bar(a)bar(b)bar(c)]!=0andbar(p)=(bar(b)xxbar(c))/([bar(a)bar(b)bar(c)]),bar(q)=(bar(c)xxbar(a))/([bar(a)bar(b)bar(c)]),bar(r)=(bar(a)xxbar(b))/([bar(a)bar(b)bar(c)]) , then bar(a)*bar(p)+bar(b)*bar(q)+bar(c)*bar(r) is equal to

If bar(a) and bar(b) are unit vectors such that [bar(a),bar(b),bar(a)xxbar(b)] is 1/4, then angle between bar(a) and bar(b) is

If |bar(a)|=|bar(b)|=|bar(c)|=2 and bar(a).bar(b)=bar(b).bar(c)=bar(c).bar(a)=2 then [bar(a) bar(b) bar(c)] equal to

If |bar(a)|=3,|bar(b)|=4 and |bar(a)+bar(b)|=5, then |bar(a)-bar(b)| is equal to

If the moduli of bar(a) and bar(b) are equal and angle between them is 120^(@) and bar(a)*bar(b)=-8 , then |bar(a)| is equal to

If [bar(a) bar(b) bar(c)]=2 ,then [2(bar(b)timesbar(c))(-bar(c)timesbar(a))(bar(b)timesbar(a))] is equal to

TARGET PUBLICATION-VECTORS-Evaluation Test
  1. [bar(a)" "bar(b)" "bar(a)xxbarb] is equal to

    Text Solution

    |

  2. Given bara, barb, barc are three non-zero vectors, no two of which are...

    Text Solution

    |

  3. If bara,barb,barc are three non-coplanar vectors such that barr1=bara-...

    Text Solution

    |

  4. Let a,b,c be distinct non- negative numbers . If the vectors ah...

    Text Solution

    |

  5. The edges of a parallelopiped are of unit length and are parallel to ...

    Text Solution

    |

  6. If the vectors aoverset(^)i+overset(^)j+overset(^)k,overset(^)i+bovers...

    Text Solution

    |

  7. The value of a so that volume of parallelopiped formed by vectors over...

    Text Solution

    |

  8. If bara.barb=barb.barc=barc.bara=0 then the value of [bara" "barb" "ba...

    Text Solution

    |

  9. Let bara=-overset(^)i-overset(^)k,barb=-overset(^)i+overset(^)j and ba...

    Text Solution

    |

  10. If bara and barb are vectors such that |bara+barb|=sqrt(29) and baraxx...

    Text Solution

    |

  11. If the vectors veca, vecb, vecc are non -coplanar and l,m,n are distin...

    Text Solution

    |

  12. P is any point on the circumference of the circumcircle of DeltaABC. ...

    Text Solution

    |

  13. The three vectors 10overset(^)i+13overset(^)j+16overset(^)k,30overset(...

    Text Solution

    |

  14. If the volume of parallelopiped whose concurrent edges are 3overset(^)...

    Text Solution

    |

  15. If the vectors 5overset(^)i-xoverset(^)j+3overset(^)k and -3overset(^)...

    Text Solution

    |

  16. If the position vector of p is 3barp+barq and barp divides PQ intern...

    Text Solution

    |

  17. A(bara)=3overset(^)i+2overset(^)j,B(barb)=5overset(^)i+3overset(^)j+2o...

    Text Solution

    |

  18. In DeltaABC the mid points of the sides AB, BC and CA are (l, 0, 0)...

    Text Solution

    |

  19. Find the coordinates of the foot of the perpendicular drawn from po...

    Text Solution

    |