jawaban 2a, 2b, 7, dan nomor 8 terimakasih mohon dengan caranya ya

[tex] \left[\begin{array}{ccc}-2&3\\-1&-4\\0&5\end{array}\right] x\left[\begin{array}{ccc}1&2\\4&7\end{array}\right] = \left[\begin{array}{ccc}-2+12&-4+21\\-1-16&-2-28\\0+20&0+35 \\ \end{array}\right] \\ \\ = \left[\begin{array}{ccc}10&17\\-17&-30\\20&35\end{array}\right] [/tex]

Jawaban ada di uoplod
7. p = 3
   q = 1
   r = 2
  s = 4