Question: In Problems 9 18, (a) Find the dot product v w; (b) Find the angle between v and w ; (c) State whether

In Problems 9 – 18,

(a) Find the dot product v · w;

(b) Find the angle between v and w ;

(c) State whether the vectors are parallel, orthogonal, or neither.

v = i + 3j, w = i − j

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