Question: 1. Givena = [4, -2, 3] and b = [5, 6, -1], find a. a . b b. A unit vector in the direction of

1. Givena = [4, -2, 3] and b = [5, 6, -1], find a. a . b b. A unit vector in the direction of b c. The angle between a and b d. A vector perpendicular to a

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