Question

Dada a matriz E= [2 3]
[4 5]
Calcule E ao quadrado

Answer 1

E = 
2...3
4...5
E² =
4+9  8+15
8+15 15+25

E² =
13....23
23....40

Answer 2

E =

[ 2 3 ]
[ 4 5 ]

E² =

[ 4 + 9 ] [ 8 + 15 ]

[ 8+15 ] [15 + 25 ]

E² =

[ 13 23 ]
[ 23 40 ]