Question

resolva 2u + 7v, considerando u = (-3, 2, 1, -1) e v = (-4, 8, -3, 2)

Answer 1

$Ola' \\ \\ 2u+7v~~~~~--\ \textgreater \ sendo:~~u=(-3,2,1,-1)~~e~~v=(-4,8,-3,2) \\ \\ \vec{r}=2(-3,2,1,-1)+7(-4,8,-3,2) \\ \\\vec{r}= (-6,4,2,-2)+(-28,56,-21,14) \\ \\ \vec{r}=(-6-28,~4+56,~2-21,~-2+14) \\ \\ \boxed{ \vec{r}=(-34,60,-19,12)} \\ \\ .$