Question

A= [ bij ] 2×3 tal que bij = i - 2j.

Alguém me ajuda

Answer 1

$b_{11} =1-2.1=-1 \\ \\ b_{12}=1-2.2=-3 \\ \\ b_{13}=1-2.3=-5 \\ \\ b_{21}=2-2.1=0 \\ \\ b_{22}=2-2.2=-2 \\ \\ b_{23}=2-2.3=-4 \\ \\ logo,A= \ \left[\begin{array}{ccc}-1&-3&-5\\0&-2&-4\end{array}\right] \\ \\ espero \ ter\ ajudado.$