Question: Let = 2i + 3j 4k , b = -2i + j 7k , find 1) a.B 2) xB 3) The angle between a

Let = 2i + 3j 4k , b = -2i + j 

Let = 2i + 3j 4k , b = -2i + j 7k , find 1) a.B 2) xB 3) The angle between a and b 4) Projab

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