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vecaxx(vecaxx(vecaxxvecb)) equals...

`vecaxx(vecaxx(vecaxxvecb))` equals

A

`(veca.vecb)(vecaxxvecb)`

B

`(veca.veca)(vecbxxveca)`

C

`(vecb.vecb)(vecaxxvecb)`

D

`(vecb.vecb)(vecbxxveca)`

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The correct Answer is:
B

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OBJECTIVE RD SHARMA-SCALAR AND VECTOR PRODUCTS OF THREE VECTORS -Exercise
  1. If (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc) then

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  2. If veca,vecb,vecc and vecp,vecq,vecr are reciprocal system of vectors,...

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  3. vecaxx(vecaxx(vecaxxvecb)) equals

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  4. If veca=hati+hatj-hatk, vecb=hati-hatj+hatk and vecc is a unit vector ...

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  5. If veca, vecb, vecc are non-coplanar unit vectors such that vecaxx(vec...

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  6. Let a,b,c be distinct non-negative numbers. If the vectors ahati+ahatj...

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  7. If vecaxxvecb=vecc and vecbxxvecc=veca then a. veca,vecb,vecc are ort...

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  8. If vecp=(vecbxxvecc)/([(veca,vecb,vecc)]),vecq=(veccxxveca)/([(veca,ve...

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  9. If vecrxxveca=vecbxxveca,vecrxxvecb=vecaxxvecb,veca!=0,vecb!=0,veca!=l...

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  10. The vector veca coplanar with the vectors hati and hatj perendicular t...

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  11. If the vectors veca and vecb are mutually perpendicular, then vecaxx{v...

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  12. [((vecaxxvecb)xx(vecbxxvecc),(vecbxxvecc)xx(veccxxveca),(veccxxveca)xx...

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  13. Let veca=hati-hatj,vecb=hatj-hatk, vecc=hatk-hati. If hatd is a unit v...

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  14. If the vectors (sec^(2)A)hati+hatj+hatk, hati+(sec^(2)B)hatj+hatk,hati...

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  15. hata and hatb are two mutually perpendicular unit vectors. If the vect...

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  16. If three concurrent edges of a parallelopiped of volume V represent ve...

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  17. If veca=hati+hatj+hatk, vecb=hati+hatj,vecc=hati and (vecaxxvecb)xxvec...

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  18. If veca=2hati-3hatj+5hatk , vecb=3hati-4hatj+5hatk and vecc=5hati-3hat...

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  19. If veca,vecb,vecc are linearly independent vectors, then ((veca+2vecb)...

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  20. If veca,vecb are non-collinear vectors, then [(veca,vecb,hati)]hati+[...

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