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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

`barbxxbara`

B

`baraxxbarb`

C

`bara+barb`

D

`bara-barb`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-MULTIPLE PRODUCT OF VECTORS-PRACTICE EXERCISE
  1. If barx.bara=barx.barb=barx.barc=0 for some non-zero vector barx and a...

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  2. The volume of the tetrahedron having the edges barI+2barj-bark,bari+ba...

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

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  4. Which of the following statement is not true

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  5. If bara is perpendicular to barbxxbarc, then which of the following is...

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  6. barixx(barjxxbark)+barjxx(barkxxbari)+barkxx(barixxbarj)=

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  7. barixx(barixxbara)+barjxx(barjxxbara)+barkxx(barkxxbara)=

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  8. If barb, barc are like unit vectors and baraxx (barbxx barc) = bar0 th...

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  9. If bara, barb are two unit perpendicular vectors then baraxx (baraxx b...

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  10. If [baraxx(barbxxbarc)]xxbarc=(bara·barc)barR then barR=

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  11. If bara and barb are unit vectors, then the vector ( bara + barb) xx (...

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  12. If barp is non- · zero vector such that barp. bara= barp. barb = 0 and...

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  13. If (bara xx barb).(barc xx bard) = (bara.barc)(barb.bard) + k(bara.bar...

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  14. If (baraxxbarb)xx(barcxxbard)=[barabarbbard]barc +kbard then k =

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  15. The volume of tetrahedron with edges barixxbarj,barjxxbark,barkxxbari ...

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  16. If bara. barb = barb. barc = barc . bara = 0 then [bara barb barc] =

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

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  18. bara is perpendicular to barb,barc. If abs(bara)=2,abs(barb)=3,abs(bar...

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  19. The angle between a,b is 30° and barc is perpendicular to both bara an...

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  20. The P. V. of the points A, B, C, D are 3bari-2barj-bark,2bari+3barj-4b...

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