1- (Exercise) Given the vectors A= 7i-2j, B=i-3k, and Č = 21 –23+3k, calculate the fol- (1) lowing (a) Ď = Ã+ B + Č (b) Ä ·B + Ã ·Ĉ (c) Ẻ = Ã × Ċ (d) The angle between A and B (e) Ã(B · Č)
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