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Answer (d) and (e)

1- (Exercise) Given the vectors Ã = 7î-2j, B = ì-3k, and Č = 2î –2j+3k, calculate the fol-
(1)
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lowing
(a) Ď = Ä+ B + Č
(b) Ã-B + Ã·Ċ
(c) Ẻ = Ã × Ċ
(d) The angle between Ä and B
(e) Ä(B · Č)

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