Question: Given the displacement vectors A = (3i 4j + 4k) m and B = (2i + 3j 7k) m, find the magnitudes of the vectors

Given the displacement vectors A = (3ˆi ─ 4ˆj + 4ˆk) m and B = (2ˆi + 3ˆj ─ 7ˆk) m, find the magnitudes of the vectors
(a) C = A + B and
(b) D = 2A ─ B, also expressing each in terms of its rectangular components.

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