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OpenStudy (anonymous):
Evaluate the expression. r = <9, -7, -8>, v = <3, 4, 7>, w = <6, -9, 7> v ⋅ w
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OpenStudy (anonymous):
ok! ill look that up and try to solve it!
OpenStudy (anonymous):
< 3*6, 4*-9, 7*7>
OpenStudy (anonymous):
its just multiplying the components
OpenStudy (anonymous):
ohhh...thanks. i'm such an idiot! lol
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