Please help
a14=
1
2
5

ANSWER
[tex]a_{14} = 5[/tex]
EXPLANATION
The given matrix is a 4 by 4 matrix.
We want to find
[tex]a_{14}[/tex]
This is the entry in Row 1 Column 4.
We trace row 1 Column 4 and identify the entry in their intersection.
This entry is 5
[tex]a_{14} = 5[/tex]