Question: Let A have the components (3, - 2, 6); let B have the components (-1, 4, 4). Find |A|, |B|, A + B, A -

Let A have the components (3, - 2, 6); let B have the components (-1, 4, 4). Find |A|, |B|, A + B, A - B, A  B, A × B. Find the angle between A and B.

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