habah75951 habah75951
  • 10-07-2018
  • Mathematics
contestada

If v is <-3, -4> Find: v • v

9
16
25
49

Respuesta :

gmany
gmany gmany
  • 21-07-2018

[tex] \vec{a}=[x;\ y];\ \vec{b}=[u;\ v]\\\\\vec{a}\ \circ\ \vec{b}=xu+yv\\\\\vec{v}=[-3;-4]\\\\\vec{v}\ \circ\ \vec{v}=(-3)(-3)+(-4)(-4)=9+16=25 [/tex]


Answer: 25

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