Question

1- Calcule o Determinante:

D= 3 1 -2 1
5 2 2 3
7 4 -5 0
1 -1 11 2

2- Qual o valor de:

D= 1 0 2 0
3 -2 1 5
6 0 -1 4
-5 0 3 2
​

Answer 1

Resposta:

1-

21,523,956

2-

16,403

Answer 2

Resposta:

D= 108

Explicação passo-a-passo:

d=(-1)×3×3+6×(-4)×4+1×(-5)×13-4×3×1+13×(-4)×(-1)+4×(-5)×6

d=-9-96-65-(-24+52-90)

d=-170-(-62)

d=-170+62

d=-180

D=(-1) i+j ×d

D=(-1)^3×(-180)

D=(-1)×(-180)

D=180