Question: If u = i +3j, v = 7i-4j and w=2i+j then find (3u) (v+w).

If u = i +3j, v = 7i-4j and w=2i+j then find

If u = i +3j, v = 7i-4j and w=2i+j then find (3u) (v+w).

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