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If barx.bara=0,barx.barb=0 and barx.barc...

If `barx.bara=0,barx.barb=0 and barx.barc=0` for some non-zero vectors x, then the TRUE statement is

A

`[bara" "barb" "barc]=0`

B

`[bara" "barb" "barc] ne0`

C

`[bara" "barb" "barc] =1`

D

None of these

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The correct Answer is:
A
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TARGET PUBLICATION-VECTORS-Competitive Thinking
  1. A vector perpendicular to 2overset(^)i+overset(^)j+overset(^)k and cop...

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  2. Given three arbitary vectors bara,barb,barc, then vectors baralpha=5ba...

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  3. If barx.bara=0,barx.barb=0 and barx.barc=0 for some non-zero vectors x...

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  4. which of the following expression are meaningful?

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  5. Out of the following which one is not true?

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  6. For three vectors vecu,vecv,vecw which of the following expressions is...

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  7. bara.(baraxxbarb)=

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  8. If bara,barb,barc are non-coplaner vectors, then (bara.barbxxbarc)/(...

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  9. If bara,barb and barc are non-coplanar, then the value of bara.{(barbx...

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  10. bara.[barb+barc)xx(bara+barb+barc)] is equal to

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  11. (bara+barb).(barb+barc)xx(bara+barb+barc)=

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  12. If bara=(1)/(sqrt10)(3overset(^)i+overset(^)k),barb=1/7(2overset(^)i+3...

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  13. If barp=(barbxxbarc)/(bara" "barb" "barc),barq=(barcxxbara)/(bara" "ba...

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  14. If vecu, vecv, vecw are three non-coplanar vectors, the (vecu+vecv-vec...

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  15. If bara,barb,barc are three non-coplanar vectors and barp,barq,barr ar...

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  16. If a, b and c are non-coplanar vectors and d=lambdaa+mub+nuc, then lam...

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  17. If vecu, vecv, vecw are non -coplanar vectors and p,q, are real numbe...

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  18. If bara,barb,barc are non-coplanar vectors and lambda is a real number...

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  19. If the vectors 2overset(^)i-3overset(^)j,overset(^)i+overset(^)j-overs...

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  20. The volumes of the parallelopiped whose edges are represented by bara=...

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