Question

dadas as matrizes A=2 3 e B=3 1 determine:
                                5 1        2 1

a)A²,em que A²=AA

b)B²,em que B²=BB

c)(A+B) (A-B)

d)A²-B²

Answer 1

$A = \left[\begin{array}{ccc}2&3\\5&1\\\end{array}\right]$

$B = \left[\begin{array}{ccc}3&1\\2&1\\\end{array}\right]$

Tá ruim pra escrever aqui... :(