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If vec (a) = 2 hat (i) - hat (j ) and v...

If ` vec (a) = 2 hat (i) - hat (j ) and vec (b) = 3 hat (i) - 2 hat (j) + 4 hat (k) ,` then the value of ` vec (a) xx vec (b) ` is -

A

` 4 hat (i) - 8 hat (i) - hat (k)`

B

`-4hat(j) - hat (j) + hat(k)`

C

`4hat(i) - 8hat(j) + hat (k)`

D

`-4hat(i) - 8 hat (j) - hat (k)`

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The correct Answer is:
d
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