Question

Dada a matriz B=(bij) de ordem 4x3 em que bij=i.j²? Me ajudem é pra amanha.. Por favor

Answer 1

Boa noite!

$B=\left[\begin{array}{ccc} b_{11} & b_{12} & b_{13}\\ b_{21} & b_{22} & b_{23}\\ b_{31} & b_{32} & b_{33}\\ b_{41} & b_{42} & b_{43} \end{array}\right]=\left[\begin{array}{ccc} 1\cdot{1}^2={1} & {1}\cdot{2}^2={4} & {1}\cdot{3}^2={9}\\ 2\cdot{1}^2={2} & {2}\cdot{2}^2={8} & {2}\cdot{3}^2={18}\\ 3\cdot{1}^2={3} & {3}\cdot{2}^2={12} & {3}\cdot{3}^2={27}\\ 4\cdot{1}^2={4} & {4}\cdot{2}^2={16} & {4}\cdot{3}^2={36} \end{array}\right]$

Espero ter ajudado!