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If the position vectors of two points A and B are `3hati + hatk` and `2hati+hatj-hatk`, then the vector `vec(BA)` is

A

`-hati+hatj-2hatk`

B

`hati+hatj`

C

`hati-hatj+2hatk`

D

`hati-hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-VECTORS-QUESTION BANK
  1. If veca = hati+2hatj+hatk, vecb = 2hati- 2hatj + 2hatk and vecc = hati...

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  2. If the vectors veca = 2hati + 3hatj +-6hatk and vecb = alphahati-hatj ...

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  3. If the position vectors of two points A and B are 3hati + hatk and 2ha...

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  4. If |kveca| = 1, then

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  5. The direction cosines of the vectors vec(PQ) where vec(PQ) = (1, 0, -2...

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  6. Reactify the mistakes if any veca-veca = 0

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  7. Reactify the mistakes if any. The vector vec0 has unique direction.

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  8. Reactify the mistakes if any. All unit vectors are equal.

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  9. |veca| = |vecb| = veca = vecb.

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  10. Subtraction of two vectors is not commutative.

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  11. If veca = (2,1), vecb = (-1,0), find 3veca + 2vecb.

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  12. If veca = (1,1,1), vecb = (-1,3,0) and vecc = (2,0,2), find veca+2vec...

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  13. If A, B, C and D are the vertices of a square, find vec(AB) + vec(BC)+...

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  14. The given points A, B, C are the vertices of a triangle. Determine the...

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  15. The given points A, B, C are the vertices of a triangle. Determine the...

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  16. Find the vector from origin to the mid-point of the vector vec(P1P2) j...

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  17. Find the vectors from the origin to the points of trisection the vecto...

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  18. Find the vectors from the origin to the intersection of the medians of...

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  19. Prove that the sum of all the vectors drawn from the centre of a regul...

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  20. Prove that the sum of the vectors represented by the sides of a closed...

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