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Find -6W - 3(2u - v) if u = i + 2j, v = -3j, and w=combination of unit vectors.:-). Express your answer as a linear

Find -6W - 3(2u - v) if u = i + 2j, v = -3j, and w=combination of unit vectors.:-). Express-example-1
User Madstap
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5.3k points

1 Answer

5 votes

ok

u = i + 2j

v = -3j

w = -1/3i - 7/3j


\begin{gathered} \text{ -6(}(-1)/(3)i\text{ - }(7)/(3)j)\text{ - 3(2(i + 2j)- (-3j))} \\ (6)/(3)i\text{ + }(42)/(3)j\text{ - 6i - 6j + 3j} \\ 2i\text{ + 14j - 6i - 6j + 3j} \\ -4i\text{ + 11j} \end{gathered}

Result - 4i + 11j

User Abhishek Khandave
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