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(bari-barj) xx (barj-bark).(bark-bari) =...

`(bari-barj) xx (barj-bark).(bark-bari)` =

A

0

B

1

C

2

D

3

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The correct Answer is:
A
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Arrangement of raddi of the following spheres in de-scendin order is A: vecr^(2)-2 vecr* (7 bari-4barj+bark)-28=0 B: |barr-(4bari+3barj+4bark)| = sqrt(28) C: (barr+2bari-barj+bark)*(barr-bari+barj-2bark)=0

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Find the set of vectors reciprocal to the set of vectors bara= 2bari +3barj-bark, barb = bari - barj-2bark, barc=--bari +2barj +2bark

AAKASH SERIES-MULTIPLE PRODUCT OF VECTORS-EXERCISE-I
  1. The vector bara lies in the plane of barb, barc then

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  2. If bara= bari-2barj-3bark, barb= 2bari+barj-bark, barc= bari+3barj-2ba...

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  3. (bari-barj) xx (barj-bark).(bark-bari) =

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  4. If (bara-lamdabarb).(barb-2barc)xx(barc+2bara)=0 then lamda=

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  5. (bara+2barb-barc).(bara-barb)xx(bara-barb-barc)=

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

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  7. If baru, barv and barw are three non - coplanar vectors then (baru+bar...

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  8. If bara,barb,barc are unit coplanar vectors, then find [ 2bara-barb ...

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  9. [bara barb barc]+[bara barc barb]=

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  10. [bari-barj bark]+[-bari-barj bark]+[bari-bark bark]=

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  11. If bara, barb, barc are mutually perpendicular unit vectors then [bara...

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  12. If bara, barb, barc are the vectors parallel to the coordinate axes in...

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  13. The four points whose position vectors are 6bari -7 barj, 16bari -29ba...

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  14. For non - coplanar vectors bara,barb and barc determine p for which th...

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  15. Let a, b and c be distinct non-negative numbers. If the vectors abar(i...

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  16. If the three vectors 2bari -barj +bark, bari+ 2barj -3bark, 3bari + la...

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  17. Find the volume of the parallelopiped having co-terminus edges bari+ba...

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  18. The volume of parallelopiped with vectors bara+2barb-barc,bara-barb,ba...

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  19. The volume of Parallelopiped with edges bara+barb,barb+barc,barc+bara ...

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  20. The volume of a parallelopiped with coterminous edges bari+xbarj-x^(2)...

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