Question

aplicando a regra de sarrus calcule os determinantes​

Answer 1

a) 3.0 .1+2.4.2+(-1).5.(-3) - (-1).0.2- 3.4.(-3)- 2.5.1=

+ 57

b) 6+0-6-8-0+9= +1

c) a.b.1+0.a.0+0.0.1-0.b.0 - a.a.1-0.0.1=

ab + 0 +0 -0 - a² -0=

ab - a² ou

a( b - a)

d) - 24

e) - 224 - 189=

- 413

f) +280