Question

Construa a matriz A= (aij) 2×3 de modo que aij= 3i²-j

Answer 1

aij=3i²-j

a11= 3.1-1= 3-1= 2
a12= 3.1-2= 3-2= 1
a13= 3.1-3= 3-3= 0

a21= 3.2²-1= 3.4-1= 12-1= 11
a22= 3.2²-2= 3.4-2= 12-2= 10
a23= 3.2²-3= 3.4-3= 12-3= 9

Logo à matriz aij 2x3 sera:

|2 1 0|
|11 10 9|