Question

Dada a matriz 212 041 006 ache o det S

Answer 1

Resposta:

2 1 2 l 2 1

0 4 1 l 0 4

0 0 6 l 0 0

Diagonal principal:

2 . 4 . 6 = 8 . 6 = 48

1 . 1 . 0 = 1 . 0 = 0

2 . 0 . 0 = 0 . 0 = 0

Soma:

48 + 0 + 0 = 48

Diagonal secundária:

2 . 4 . 0 = 8 . 0 = 0

2 . 1 . 0 = 2 . 0 = 0

1 . 0 . 6 = 0 . 6 = 0

Soma:

0 + 0 + 0 = 0

DetS = 48 - 0 = 48