Question

O valor do determinante

3 2 1
1 3 2
0 1 0

a) 0
b)-5
c)5
d)-7
e)7

Answer 1

Colocar as duas primeiras colunas e resolver
3.3.0+2.2.0+1.1.1-1.3.0-3.2.1-2.1.0=
0+0+1-0-6-0=
1-6= -5
resposta item b