ПОМОГИТЕ ПОЖАЛУЙСТА!матрица А-2В
A=2 1 0
-1 5 1
B=3 1 0
0 0 -1
2В = 6 2 0
0 0 -2
А - 2В = -4 -1 0
-1 5 3
Сначала найдем матрицу 2B
2B=
Теперь можно вычислить разность
А-2В=
Ответ:
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