Question

construa a matriz:

A=(aij)2*3 ,tal que aij=2i+j



B=(bij)3*2,tal que bij =i-l3j

urgente

Answer 1

a)
a11=2.1+1=2+1=3
a12=2.1+2=2+2=4
a13=2.1+3=2+3=5
a21=2.2+1=4+1=5
a22=2.2+2=4+2=6
a23=2.2+3=4+3=7

A=| 3 4 5 |
| 5 6 7 |

b)
a11=1-1.3.1=1-3= -2
a12=1-1.3.2=1-6= -5
a21=2-2.3.1=2-6= -4
a22=2-2.3.2=2-12= -10
a31=3-3.3.1=3-9= -6
a32=3-3.3.2=3-18= -15

B= | -2 -5 |
| -4 -10 |
| -6 -15 |