Question

qual o valor A.B das matrizes abaixo ​

Answer 1

Resposta:

Sendo \begin{gathered}A = \left[\begin{array}{ccc}1&3\\2&0\\-1&4\end{array}\right] \end{gathered}

A=

⎣

⎢

⎡

1

2

−1

3

0

4

⎦

⎥

⎤

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

B=[

2

3

1

1

]

, vamos determinar as matrizes transpostas de A e B.