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If (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc)...

If `(vecaxxvecb)xxvecc=vecaxx(vecbxxvecc)` then

A

`vecbxx(veccxxveca)=vec0`

B

`vecaxx(vecbxxvecc)=vec0`

C

`veccxxveca=vecaxxvecb`

D

`veccxxvecb=vecbxxveca`

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OBJECTIVE RD SHARMA-SCALAR AND VECTOR PRODUCTS OF THREE VECTORS -Exercise
  1. If the non zero vectors veca and vecb are perpendicular to each other,...

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  2. Prove that: [(vecaxxvecb)xx(vecaxxvecc)].vecd=pveca vecb vecc](veca.ve...

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  3. If (vecaxxvecb)xxvecc=vecaxx(vecbxxvecc) then

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

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  5. vecaxx(vecaxx(vecaxxvecb)) equals

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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