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If the vectors (hati+ hatj + hatk) and...

If the vectors `(hati+ hatj + hatk)` and `3 hati` from two sides of a triangle, then area of triangle is :

A

`sqrt3` unit

B

`2sqrt3` unit

C

`(3)/(sqrt2)` unit

D

`3sqrt2` unit

Text Solution

Verified by Experts

The correct Answer is:
3
Area of triangle `= (1)/(2)| vecA xx vecB|`
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