Question: (a) Draw the vectors v = (2, -1, 2) and w = (1, 2,4). Sketch v + w and v - W on your picture.

(a) Draw the vectors v = (2, -1, 2) and w

(a) Draw the vectors v = (2, -1, 2) and w = (1, 2,4). Sketch v + w and v - W on your picture. (b) What is the area of the parallelogram spanned by the unit vectors ey and ew in the direction of v and w? [Hint: There is a fast way to do this, using the fact that sin?(0) = 1 - cos?(0).]

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