Question

usando a regra de Sarrus calcule o valor do determinante
Det= A - 5 2 1
2 3 0
0 4 1
a) 0
b)10
c)12
d)15
e)19

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Answer 1

| 5 2 1 | 5 2

| 2 3 0 | 2 3

A = | 0 4 1 |0 4

det(A) = 15 +0 + 8 - (4+0+0)

det(A) = 23 - 4

det(A) = 19 ( Letra E )