tentukan p,q,r,s - Universityku

tentukan p,q,r,s

$left[begin{array}{ccc}2&1\5&6\end{array}right]$ = $left[begin{array}{ccc}p&q\r&s\end{array}right] - left[begin{array}{ccc}6&0\3&9\end{array}right]$
p-6=2
p=8
q=1
r-3=5
r=8
s-9=6
s=15

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