Question: ( 5 ) If vec ( u ) and vec ( v ) are unit vectors and the angle between them is 6 0 ,

(5) If vec(u) and vec(v) are unit vectors and the angle between them is 60, calculate the dot product (6vec(u)+vec(v))*(vec(u)-2vec(v)).
( 5 ) If vec ( u ) and vec ( v ) are unit vectors

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