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OpenStudy (anonymous):
Let u = <-8, -9>. Find 7u I think it's <-56, -63> but the lesson didn't explain it at all and i want to be sure.
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terenzreignz (terenzreignz):
Yes, you're right. Scalar multiplication just has you multiplying the scalar (in this case, 7) to all the components of the vector :)
OpenStudy (anonymous):
thanks, that was my guess but the lesson said absolutely nothing about how to solve any of the problems.
terenzreignz (terenzreignz):
Good intuition :)
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