Respuesta :

It is given that,

[tex]\begin{gathered} a^-=\langle-3,-5\rangle \\ b^-=\langle1,4\rangle \end{gathered}[/tex]

By using parallelogram method,

[tex]a^-+b^-=\langle-2,-1\rangle[/tex]

The graph is as shown below:

Ver imagen kingj9195