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Find a dot b

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Reference no: EM13854334

2a.) Find A dot B if A = 3e1+ 5e2-e3 and B = e1 -e2+ e3 if e1 dot e1 = 2, e2 dot e2 = 3, e3 dot e3 = 5, e1 dot e2 = -1, e1 dot  e3 = -3, e2 dot e3 = 2

b.) Find A cross B if A = 2e1+ 5e2-e3 and B = e1 - 2e2+ 4e3 where e1 cross e2 = i-j, e1 cross e3 = j+k, e2 cross e3 = i+k 

Reference no: EM13854334

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