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Each question given below has four possi...

Each question given below has four possible answers, out of which only one is correct. Choose the correct one. `(hati+hatk)xx(hati+hatj+hatk)` = ___

A

`hat(i) - hat(k)`

B

`hat(k) - hat(i)`

C

`hat(k) - 2hat(i) - hat(j)`

D

2

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The correct Answer is:
B
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