Question

Obter a matriz A=(aij)2x2 definida por aij =i-j

Answer 1

Resposta:

$\sf \: aij = 3 i - j$

$\sf \:a11=3.1-1=3-1=2$

$\sf \:a12=3.1-2=3-2=1$

$\sf \:a21=3.2-156-1=5$

$\sf \:a22=3.2-256-2=4$

$\sf \: A=\dfrac{5}{2} \dfrac{1}{4}$