Question: 7. Two column , vectors a and b are such that a = x- 3 and b = | 5-x 2-y (y - 9 (a)

7. Two column , vectors a and b are such that a = x- 3 and b = | 5-x 2-y (y - 9 (a) If a = b, (i) find the value of x and of y, (ii) write down the negative of a as a column vector, (iii) show that la| = [b| = (b) If lal = 1b), (i) express y in terms of x, (ii) explain why a may not be equal to b

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