Jawabanmu

2013-12-08T23:37:16+07:00
  \left[\begin{array}{ccc}2&1\\5&6\\\end{array}\right] =  \left[\begin{array}{ccc}p&q\\r&s\\\end{array}\right] -   \left[\begin{array}{ccc}6&0\\3&9\\\end{array}\right]
p-6=2
p=8
q=1
r-3=5
r=8
s-9=6
s=15
2013-12-09T02:04:11+07:00