生きてきましょう
素のやつ
[tex: \displaystyle A = \left( \begin{array}{ccc} a & b & c \\ d & e & f \\ g & h & i \end{array} \right) ]
divで囲ったやつ
<div style="padding-left: 2em"> [tex: \displaystyle A = \left( \begin{array}{ccc} a & b & c \\ d & e & f \\ g & h & i \end{array} \right) ] </div>