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If bara is perpendicular to barb and ba...

If `bara` is perpendicular to `barb and barc,|bara|=2,|barb|=3,|barc|=4` and the angle between `barb and barc` is `(2pi)/(3)`. then `[bara" "barb" " barc]` is equal to

A

`4sqrt3`

B

`6sqrt3`

C

`12sqrt3`

D

`18sqrt3`

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Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-VECTORS-Competitive Thinking
  1. If bara=2overset(^)i+overset(^)j-overset(^)k,barb=overset(^)i+2overset...

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  2. If bara=overset(^)i+overset(^)j+overset(^)k,barb=2overset(^)i+lambdaov...

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  3. If bara is perpendicular to barb and barc,|bara|=2,|barb|=3,|barc|=4 ...

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  4. If bara,barb,barc are mutually prependicular vectors having megnitudes...

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  5. The value of [bara-barb,barb-barc,barc-bara], where |bara|=1,|barb|=5 ...

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  6. The value of (bara-barb).[(barb-barc)xx(barc-bara)] is

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  7. If a vector baralpha lie in plane barbeta and bargamma then which is c...

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  8. If bara,barb,barcare three coplanar vectors, then [bara+barb" "barb+ba...

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  9. If bara,barb,barc be any three non-coplanar vectors, then [bara+barb" ...

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  10. Let barA=overset(^)i+overset(^)j+overset(^)k,barB=overset(^)i,barC=C1o...

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  11. If the vectors 2overset(^)i-overset(^)j+overset(^)k,overset(^)i+2overs...

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  12. If the vectors lambdaoverset(^)i+overset(^)j+2overset(^)k,overset(^)i+...

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  13. If the vectors 4overset(^)i+11overset(^)J+moverset(^)k,7overset(^)i+2o...

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  14. If the vectors 2overset(^)i+2overset(^)j+6overset(^)k,2overset(^)i+lam...

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  15. If the four points with position vectors -2overset(^)i+overset(^)j+ove...

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  16. If the vectors bara=overset(^)i+overset(^)j+overset(^)k,barb=overset(^...

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  17. If the point having the position vectors 3overset(^)i-2overset(^)j-ove...

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  18. If bara,barb and barc are non-coplanar vectors and the four points wi...

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

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  20. The number of distinct real value of lambda, for which the vector -lam...

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