Question
Asked Nov 13, 2019
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Find the indicated quantity, assuming that u = 7i + j, v = i − 3j, and w = 3i+2j.     u · (v + w)

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Expert Answer

Step 1

Compute v+w as ...

u 7i+j vi-3j, w=3i+2j
vwi-3)31 + 2 j)
4i j
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u 7i+j vi-3j, w=3i+2j vwi-3)31 + 2 j) 4i j

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