Question

Uma matriz quadrada de ordem 2 dada por A= 2i – 4j
SOCORRO​

Answer 1

Resposta:

A = $\left[\begin{array}{ccc}a11&a12\\a21&a22\\\end{array}\right]$

A = $\left[\begin{array}{ccc}2.1-4.1&2.1-4.2\\2.2-4.1&2.2-4.2\\\end{array}\right]$

A = $\left[\begin{array}{ccc}-2&-6\\0&-4\\\end{array}\right]$