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Tarun Pillai
Asked: 2022-11-05T14:00:45+05:30 In:

The position vectors of A and B are `hati-hatj+2hatk and 3hati-hatj+3hatk`. The position vector of the middle points of the line AB is
A. `(1)/(2)hati-(1)/(2)hatj+hatk`
B. `2hati-hatj+(5)/(2)hatk`
C. `(3)/(2)hati-(1)/(2)hatj+(3)/(2)hatk`
D. none of these

The position vectors of A and B are `hati-hatj+2hatk and 3hati-hatj+3hatk`. The position vector of the middle points of the line AB is
A. `(1)/(2)hati-(1)/(2)hatj+hatk`
B. `2hati-hatj+(5)/(2)hatk`
C. `(3)/(2)hati-(1)/(2)hatj+(3)/(2)hatk`
D. none of these
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1 Answer

  1. Correct Answer – B
    `(a+b)/(2)=2hati-hatj+(5)/(2)hatk`.

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