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If veca, vecb, vecc are non-null non cop...

If `veca, vecb, vecc` are non-null non coplanar vectors, then
`[(veca-2vecb+vecc, vecb-2vecc+veca, vecc-2veca+vecb)]=`

A

`[(veca, vecb, vecc)]`

B

`[(veca, vecb, vecc)]`

C

`0`

D

`12[(veca, vecb, vecc)]`

Text Solution

Verified by Experts

The correct Answer is:
C
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OBJECTIVE RD SHARMA-SCALAR AND VECTOR PRODUCTS OF THREE VECTORS -Section I - Solved Mcqs
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  3. If veca, vecb, vecc are non-null non coplanar vectors, then [(veca-2...

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  4. The three vectors hati+hatj, hatj+hatk, hatk+hati taken two at a time ...

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  5. Let G(1),G(2),G(3) be the centroids of the triangular faces OBC, OCA, ...

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  6. Let vecr, veca, vecb and vecc be four non-zero vectors such that vecr....

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  7. Let vecV=2hati+hatj-hatk and vecW=hati+3hatk. It vecU is a unit vector...

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  8. If veca and vecb are two unit vectors, then the vector (veca+vecb)xx(v...

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  9. If vec(alpha)=2hati+3hatj-hatk, vec(beta)=-hati+2hatj-4hatk, vecgamma=...

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  10. Let vec(alpha)=ahati+bhatj+chatk, vec(beta)=bhati+chatj+ahatk and vec(...

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  11. Given |veca|=|vecb|=1 and |veca+vecb|=sqrt(3). If vecc be a vector suc...

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  12. If vecu and vecv be unit vectors. If vecw is a vector such that vecw+(...

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  13. If veca, vecb, vecc be three vectors of magnitude sqrt(3),1,2 such tha...

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  14. If the vectors veca and vecb are perpendicular to each other then a ve...

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  15. The value of a so that the volume of the paralelopiped formed by hati+...

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  16. Let veca, vecb and vecc be three vectors having magnitudes 1,1 and 2 r...

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  17. If veca, vecb, vecc are vectors such that |vecb|=|vecc| then {(veca+ve...

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  18. If the magnitude of the moment about the pont hatj+hatk of a force hat...

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  19. If the volume of the parallelopiped formed by the vectors veca, vecb, ...

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  20. If |veca|=5, |vecb|=3, |vecc|=4 and veca is perpendicular to vecb and ...

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