Question

APLICANDO A REGRA DE SARRUS CALCULE
b) 3 0 8
0 7 7
4 9 0

Answer 1

A = 3*7*0 + 0*7*4 + 8*0*9 - (8*7*4 + 3*7*9 + 0*0*0)
A = 0 + 0 + 0 - (224 + 189 + 0)
A = 0 - 413
A = -413