Question

A=(aij) 2x3, tal que aij= 2i2+j

Answer 1

aij = 2i² + j

a11= 2.1² + 1= 2 + 1= 3
a12= 2.1² + 2= 2 + 2= 4
a13= 2.1² + 3= 2 + 3= 5

a21= 2.2² + 1= 2.4 + 1= 8 + 1= 9
a22= 2.2² + 2= 2.4 + 2= 8 + 2= 10
a23= 2.2² + 3= 2.4 + 3= 8 + 3= 11

Matriz A

| 3 4 5|
|9 10 11|