shelbyperezharrison
shelbyperezharrison shelbyperezharrison
  • 03-06-2022
  • Mathematics
contestada

if u=6i-2j and v=-3i+7j, find u-v

Respuesta :

jdoe0001 jdoe0001
  • 04-06-2022

[tex]\begin{cases} u=6i-2j\\\\ v=-3i+7j \end{cases}\qquad \begin{cases} < 6~~,~~-2 > \\\\ < -3~~,~~7 > \end{cases} \\\\[-0.35em] ~\dotfill\\\\ u-v\implies < 6~~,~~-2 > ~~ - ~~ < -3~~,~~7 > \\\\\\ < 6-(-3)~~,~~-2-7 > \implies < 6+3,-9 > \implies < 9,-9 > \implies 9i-9j[/tex]

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