Question

salve salve, familia. ajuda ae​

Answer 1

Resposta:

(c) Det(A) = 6

Explicação passo-a-passo:

$A=\left[\begin{array}{ccc}1&3&0\\2&5&1\\3&2&1\end{array}\right]$

$det(A)=1.5.1+3.1.3+0.2.2-(3.2.1+1.1.2+0.5.3)\\det(A)=5+9+0-6-2+0\\det(A)=6$