Вычислить матрицу: [latex] left[egin{array}{ccc}11&3\10&9end{array}ight] [/latex] - 2

[latex] left[egin{array}{ccc}11&3\ 10&9end{array}ight] -2= left[egin{array}{ccc}11&3\ 10&9end{array}ight] -2E,, oxed{=}[/latex]Где [latex]E[/latex] - единичная матрица.[latex]oxed{=},, left[egin{array}{ccc}11&3\ 10&9end{array}ight] -2 left[egin{array}{ccc}1&0\ 0&1end{array}ight] = left[egin{array}{ccc}11&3\ 10&9end{array}ight] - left[egin{array}{ccc}2cdot 1&2cdot 0\ 2cdot 0&2cdot 1end{array}ight] =\ \ = left[egin{array}{ccc}11&3\ 10&9end{array}ight] - left[egin{array}{ccc}2&0\ 0&2end{array}ight] = left[egin{array}{ccc}11-2&3-0\ 10-0&9-2end{array}ight] = left[egin{array}{ccc}9&3\ 10&7end{array}ight][/latex]