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Let a=hat(j)-hat(k) and b=hat(i)-hat(j)-...

Let `a=hat(j)-hat(k) and b=hat(i)-hat(j)-hat(k)`. Then, the vector v satisfying `atimesb+c=0 and a*b=3`, is

A

`-hati + hatj + 2hatk`

B

`2hati - hatj + 2hatk`

C

`hati - hatj -2hatk`

D

`hati + hatj - 2hatk`

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A
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