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V= 2i +9j Find ||9v||

V= 2i +9j Find ||9v||
45.5k views
4 votes
V= 2i +9j Find ||9v||

User Olly Hodgson
by
8.0k points

1 Answer

4 votes

Answer:

9
√(85)

Explanation:

9v = 9(2i + 9j) = 18i + 81j

|9v | =
√(18^2+81^2) =
√(x6885) = 9
√(85)


User Bwinton
by
8.3k points
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