estron7
estron7 estron7
  • 07-04-2017
  • Mathematics
contestada

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

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LammettHash
LammettHash LammettHash
  • 07-04-2017
[tex]\langle-9,4\rangle\cdot\langle1,3\rangle=(-9)(1)+(4)(3)=-9-12=-21[/tex]
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