Question: If r 1 = {3i 4j + 3k} m, r 2 = {4i 5k} m, r 3 = {3i - 2j + 5k}

If r1 = {3i – 4j + 3k} m, r2 = {4i – 5k} m, r3 = {3i - 2j + 5k} m, determine the magnitude and direction of r = 2r1 – r2 + 3r3.

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