Tolong 2 soal ini please...

Nomor 16

AB = [tex] \left[\begin{array}{ccc}-5-2\\4-5\end{array}\right] = \left[\begin{array}{ccc}-7\\-1\end{array}\right] [/tex]

BC = [tex] \left[\begin{array}{ccc}1-(-5)\\-2-4\end{array}\right] = \left[\begin{array}{ccc}6\\-6\end{array}\right] [/tex]

AB+BC = [tex] \left[\begin{array}{ccc}-7\\-1\end{array}\right] + \left[\begin{array}{ccc}6\\-6\end{array}\right] = \left[\begin{array}{ccc}-1\\-7\end{array}\right] [/tex]

Nomor 17

KL = [tex] \left[\begin{array}{ccc}-1-2\\3-7\end{array}\right] = \left[\begin{array}{ccc}-3\\-4\end{array}\right] [/tex]

LM = [tex] \left[\begin{array}{ccc}5-(-1)\\-2-3\end{array}\right] = \left[\begin{array}{ccc}6\\-5\end{array}\right] [/tex]

3KL - 4LM = [tex]3 \left[\begin{array}{ccc}-3\\-4\end{array}\right] - 4 \left[\begin{array}{ccc}6\\-5\end{array}\right] = \left[\begin{array}{ccc}-33\\8\end{array}\right] [/tex]