[tex]Given\:matrix\:\begin{pmatrix}1.1&3.5&-9\\ -8.1&0&6.2\\ 2&7&16\end{pmatrix}[/tex].
We need to find [tex]q_{33}[/tex].
[tex]q_{33}[/tex] represents, the element of third row and third column.
We would go third row that has elements 2 7 16 and
third column has elements -9 6.2 16.
We can see that element of third row and third column is 16.
