1.

ABCD is a parallelogram with vec(AC) = hati - 2hatj + hatk and vec(BD) = -hati + 2hatj - 5hatk. Area of this parallelogram is equal to:

Answer»

`sqrt(5)//2` sq. UNITS
`2sqrt(5)` sq. units
`4sqrt(5)` sq. units
`sqrt(5)` sq. units

ANSWER :B


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