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If bara,barb are non-zero and non-collin...

If `bara,barb` are non-zero and non-collinear vectors then `[bara barb bari]bari+[bara barb barj]barj+[bara barb bark]bark`=

A

`baraxxbarb`

B

`barbxxbara`

C

0

D

`bara.barb`

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The correct Answer is:
A
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AAKASH SERIES-MULTIPLE PRODUCT OF VECTORS-EXERCISE -II
  1. The volume of the triangular pyramid with vertices A(2, 2, 2), B(4, 3,...

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  2. If bara, barb, barc are non-coplanar, nonzero vectors and barr is any ...

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  3. If bara,barb are non-zero and non-collinear vectors then [bara barb ba...

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  4. Let barr be a vector perpendicular to bara + barb + barc . If barr=l(b...

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  5. Let bara,barb are two unit vectors such that bara.barb=0. If barc=xbar...

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  6. If bara, barb, barc are non - coplanar vectors and lamda is a real num...

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  7. If bar(a), bar(b), bar(c) are non coplanar vectors and lambda is a rea...

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  8. If bara, barb, barc are three non-coplanar vectors, barp=(barbxxbarc...

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  9. If bar(a^(1)),bar(b^(1)),bar(c^(1)) represents the reciprocal system o...

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  10. Let bara ,barb,barc be non coplanar vectors and bara^(1)=(barbxxbarc)/...

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  11. bara^(1)xxbarb^(1)+barb^(1)xxbarc^(1)+barc^(1)xxbara^(1)=

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  12. If barr is any vector then barr =

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  13. Arrange the following in the descending order of magnitude (A) [I...

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  14. A : If bara, barb, barc form a left handed orthogonal system such that...

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  15. If bari,barj,bark are orthogonal unit vector triad, then bari xx(barrx...

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  16. bari xx [(baraxxbarb)xxbari] +barj xx [(baraxx barb)x barj] + bark xx ...

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  17. bara, barb, barc are three unit vectors, barb is not parallel to barc ...

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  18. Let bara,barb and barc be non-zero vectors such that (baraxxbarb)xxbar...

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  19. If bara is a unit vector then baraxx{baraxx(baraxxbarb)}=

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  20. baraxx(barbxxbarc)+barbxx(barcxxbara)+barcxx(baraxxbarb)=

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