Question

Indique o valor de P = A3, sendo
A = (1 2), (2 3).

Answer 1

A³ = (1•3 - 2•2)³ = (3 - 4)³ = (-1)³ = -1 ✓

e) ✓ P =(21•55 -34•34)= (1155 -1156) = -1 ✓