estron7 estron7

07-04-2017
Mathematics

contestada

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

Respuesta :

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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