Question: Solutions 1.Let a = i - 3 j + k and b = 21- j+ 2k. (a) Calculate b . a and the angle between

Solutions

1.Let a = i - 3 j + k and b = 21- j+ 2k. (a) Calculate b . a and the angle between the vectors a and b. (b) Find the projection of a in the direction of b. (c) Find c = a - (a . b) b. Find out if b is perpendicular to c or not

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