Question

Considere as matrizes

A = ( 7 5)
(-2 0)

B = ( 3 -1)
(5 9)

e determine:

1. a + b
2. a - b
3. a x b
4. b x a
5. a x a​

Answer 1

Resposta:

1. a + b    ​10 , 4, 3, 9

2. a - b     4, 6, -7, -9

3. a x b = 46, 38, -6, 2

4. b x a  23, 15, 17, 25

5. a x a 39, 35, -14, -10

Explicação passo-a-passo: