Question

resolva o determinante

| 0 1 1|
| 2 1 1|
| 3 0 1|

Answer 1

0 1 1 0 1
2 1 1 2 1
3 0 1 3 0

Colocar as duas primeiras colunas e resolver
0.1.1+1.1.3+1.2.0-1.1.3-0.1.0-1.2.1=
0 + 3 + 0 -3 -0 -2=

3-3-2= 0-2= -2