Question

Calcule a Determinante da Matriz

Answer 1

Resposta:

Explicação passo-a-passo:

Repete as 2 primeiras colunas, logo:

1  2 5 1 2

0 1 3 0 1

-1 0 -2 -1 0

Cruza as linhas

1. 1 .(-2) - 2.3.( -1) - 5.0.0

-2 - (-6) - 0

-8

Answer 2

OLÁ, TUDO BEM??

SEGUE A RESPOSTA:

-3

Vamos utilizar a fórmula de Leibniz:

1 2 5

0 1 3 -

-

-1 0 -2

-

-

-

1 ⋅ 1 ⋅( −2 ) − 1 ⋅ 3 ⋅ 0 − 2 ⋅ 0 ⋅ (−2) + 2 ⋅ 3 ⋅(−1) + 5 ⋅ 0 ⋅ 0 − 5 ⋅ 1 ⋅(−1)

= -3

ESPERO TER AJUDADO!!❤