sterlingsmith8773 sterlingsmith8773
  • 04-06-2019
  • Mathematics
contestada

Let u=<-5,2>, v=<-2,6>. Find 4u+3v.

Respuesta :

gmany
gmany gmany
  • 03-07-2019

Answer:

[tex]\large\boxed{4\vec{u}+3\vec{v}=<-26,\ 26>}[/tex]

Step-by-step explanation:

[tex]\vec{u}=<-5,\ 2>;\ \vec{v}=<-2,\ 6>\\\\4\vec{u}=<(4)(-5),\ (4)(2)>=<-20,\ 8>\\\\3\vec{v}=<(3)(-2),\ (3)(6)>=<-6,\ 18>\\\\4\vec{u}+3\vec{v}=<-20,\ 8>+<-6,\ 18>=<-20+(-6),\ 8+18>=<-26,\ 26>[/tex]

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