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Area of a parallelogram formed by vector...

Area of a parallelogram formed by vectors `(3hati-2hatj+hatk)m` and `(hati+2hatj+3hatk)` m as adjacent sides is

A

`- hati+hatj+hatk`

B

`-2hati+hatk`

C

`-2hati-hatj+hatk`

D

`2hati-hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
C
`vec(R_(cm))=(m_(1)vec(r_(1))+m_(2)vec(r_(2)))/(m_(1)+m_(2))=-2 hati-hatj+hatk`
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