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Find the cosine of the angle between the vectors = (1,1,-2) and w=(3,1,1). 6 17 A. B. C. D. E. 2 17 2 17


Find the cosine of the angle between the vectors = (1,1,-2) and w=(3,1,1). 6 17 A. B. C. D. E. 2 17 2 17 2 611 2 611 Let v = (1,1,-2) and w=(3,1,1). Find xw. O A. (3,1,-2) O B. (-3,7,2) c. (3,7,2) OD. (3,7,-2) OE. (3,-7,-2) Find the volume of the parallelepiped with edges given by the vectors u = (1,1,1), = (1,0,1) and w=(5,4,8). O A. 1 B.2 O c. 3 O D. 4 O E. 5

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