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If the work done by a force vecF=hati+ha...

If the work done by a force `vecF=hati+hatj-8hatk` along a givne vector in the xy-plane is 8 units and the magnitude of the given vector is `4sqrt(3)` then the given vector is represented as (A) ` (4+2sqrt(2))hati+(4-2sqrt(2))hatj` (B) `(4hati+3sqrt(2)hatj)` (C) `(4sqrt(2)hati+4hatj)` (D) `(4+2sqrt(2))(hati+hatj)`

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