(a) Make a sketch of the following vectors (on the same graph):a = 3i; b = i + j; c = j and d = i +

(a) Make a sketch of the following vectors (on the same graph):a = 3i; b = i + j; c = j and d = i + j: [4 marks] (b) Prove that b and d are perpendicular. [2 marks] (c) Let e equal the cross product of b and d. Evaluate e. Whatis the relationship between b and e? . . .

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