Question

A(ij)2x2 = i + 4j, será :


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Answer 1

Explicação passo-a-passo:

$A=\left[\begin{array}{ccc}a_{11} &a_{12} \\a_{21} &a_{22} \\\end{array}\right]$

$a_{11} =1+4.1=1+4=5\\\\a_{12}=1+4.2=1+8=9\\\\a_{21}=2+4.1=2+4=6\\\\a_{22}=2+4.2=2+8=10$

Substituindo na matriz:

$A=\left[\begin{array}{ccc}5 &9 \\6 &10 \\\end{array}\right]$