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Determine the unit vector having the dir...

Determine the unit vector having the direction of the given vector in each of the following problems. `3hati+hatj-2hatk`

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Let `veca = 3hati+hatj-2hatk`
|veca| = sqrt(9+1+4) = sqrt(14)`
Unit vector = `(3hati+hatj-2hatk)/sqrt(14)`.
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