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Let u=(5,12) and c=-3. what is ||cu||

User David Ward
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2 Answers

4 votes

Answer:

39

Explanation:

User Bulki S Maslom
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4 votes
||cu|| = |c| * |u| = c[ magnitude of vector sum of 5i + 12j ] = 3sqrt(5^2 + 12^2)

= 3sqrt(169) = 3(13) = 39 (answer)
User Umika
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