Question

Construir a matriz A= (aij) 2x2 tal que a ij=2j-3i

Poderia me reponde :D

Answer 1

$Seja,a,matriz \\ \left[\begin{array}{ccc}a_{11}& a_{12}\\ a_{21}&a_{22} \end{array}\right] \\ ij= a_{11}=2.1-3.1=2-3=-1 \\ ij=a_{12}=2.2-3.1=4-3=1 \\ ij=a_{21}=2.1-3.2=2-6=-4 \\ ij=a_{22}=2.2-3.2=4-6=-2 \\ entao \\ A= \left[\begin{array}{ccc}-1&1\\-4&-2\\\end{array}\right]$