Question

o determinante da matriz A = -4 5 1 -8 10 2 437 e ​

Answer 1

Resposta:

A= | -4 5 1 | -4 5

| -8 10 2 | -8 10

| 4 3 7 | 4 3

detA= (-4)×10×7+5×2×4+1×(-8)×3 - 4×10×1-3×2×(-4)-7×(-8)×5

detA= -280+40+(-24) - 40-(-24)-(-280)

detA= 0