Respostas

2014-04-25T11:12:14-03:00
\left[\begin{array}{cccc}a11&a12&a13&a14\\a21&a22&a23&a24\\a31&a32&a33&a34 \\ a41&a42&a43&a44\end{array}\right]

aij=i+j ,se i≤j

a11=1+1=2
a12=1+2=3
a13=1+3=4
a14=1+4=5
a22=2+2=4
a23=2+3=5
a24=2+4=6
a33=3+3=6
a34=3+4=7
a44=4+4=8

i*j, se i>j

a21=2*1=2
a31=3*1=3
a32=3*2=6
a41=4*1=4
a42=4*2=8
a43=4*3=12


A= \left[\begin{array}{cccc}2&3&4&5\\2&4&5&6\\3&6&6&7\\4&8&12&8 \end{array}\right]
3 5 3