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If veca = 2 hat i + 3 hat j - hat k , ve...

If `veca = 2 hat i + 3 hat j - hat k , vec b = hat i + 2 hat j - 5 hat k, vec c= hat 3i + 5 hatj = hat k`, then a vector perpendicular to `vec a` and in the plane containing `vec b` and `vec c` is

A

17i+21j-123k

B

minus 17i-21j-97k

C

minus 17i-21j-97k

D

minus 17i-21j+97k

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The correct Answer is:
C
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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  4. The projection of a = 3i - j + 5k on b = 2i + 3j +k is

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  9. The value of [vec a - vec b, vec b - vec c , vec c - vec a] where |...

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  10. If the veactors veca, vecb and vecc form the sides BC,CA and AB respec...

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  11. If vec a = 3i-5j and vec b = 6i+3j are two vectors vec c a vector such...

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  12. Given two vectors hati + hatj and hati +2 hatj, the unit vector coplan...

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  13. If the vectors vec c , veca = x hati + y hatj + z hatk and vecb = hatj...

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  14. The vector hati + hatj + 3 hatk is rotated through an angle theta and...

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  15. If vec u, vec nu, vec w are three non-coplanar vectors, then (vec u + ...

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  16. If vec u = i+j, vec nu = i-j, and vec w = i+2j+3k. If hat n is a unit ...

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  17. The vectro vec(AB)= 3 hatj + 4 hatk and vec(AC) = 5 hati - 2 hatj + 4 ...

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  18. vec a, vec b, vec c are three vectors such that vec a + vec b + vec c ...

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  19. A particle acted by constant forces 4 hati + hatj - 3 hatk and 3 hati ...

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  20. If veca, vecb, vecc are non-coplanar vectors and lamda is a real numbe...

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