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Given that u 3i + 3j-ak , and v bi + 2k . If u x v-бі-2j + i 2k, determine the values of a and b. Hence, determine (a) the direction angles of u (b) the area of parallelogram with sides u and v (c) The angle between u and v [4M] [4M] [2M] [3M] [PSPM 2007] Iflu v 5 and lu vl 1, find u vby using the property a a lal2
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