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Two forces -hati+2hatj-hatk and 2hati-5h...

Two forces `-hati+2hatj-hatk and 2hati-5hatj+6hatk` act on a particfle whose position vector is `4hati-3hatj+2hatk` and displace it to another point whose positon vector is `6hati+hatj-3hatk`. Find the total work done by the force.

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