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Alinara [238K]
3 years ago
8

What's the dot product of u = <-9, 4> and v = <1,3>? Thanks!

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0
\langle-9,4\rangle\cdot\langle1,3\rangle=(-9)(1)+(4)(3)=-9-12=-21
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