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The (x,y,z) co -ordinates of two points ...

The (x,y,z) co -ordinates of two points A and B are give respectively as (0,3,- 1) and (-2,6,4) The displacement vector from A to B is given by

A

`-2hati+3hatj+3hatk`

B

`2hati-3hatj-5hatk`

C

`-2hati+6hatj+4hatk`

D

`-2hati+3hatj+5hatk`

Text Solution

Verified by Experts

The correct Answer is:
D

`vec (OA) + vec (AB) = vec (OB)`
`vec(AB)=vec(OB) - vec (OA) =(-2hati +6 hatj +4hatk)-(3hatj -hatk)`
`=(-2hati+3hatj +5hatk)`
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