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OpenStudy (anonymous):
Let u = <3, -1>, v = <-6, -6>. Find 9u + 2v. <39, 3> <18, -24> <-27, -14> <15, -21>
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jimthompson5910 (jim_thompson5910):
First off, what is 9u?
jimthompson5910 (jim_thompson5910):
Do you know how to evaluate 9u?
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