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If v = 5i + 4j and w = 6i - 9j, find 4v - 2w. ____ i + ____ j

If v = 5i + 4j and w = 6i - 9j, find 4v - 2w. ____ i + ____ j
asked 128k views
4 votes
If v = 5i + 4j and w = 6i - 9j, find 4v - 2w.

____ i + ____ j

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User Paul Dixon
by
8.1k points

1 Answer

2 votes

Answer:

8i + 34j

Explanation:


4v - 2w \\ 4(5i + 4j) - 2(6i - 9j) \\ 20i + 16j - 12i + 18j \\ 20i - 12i + 16j + 18j \\ 8i + 34j

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User Spredzy
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