Question

Matrix elements please help

Answer 1

8

Explanation:

`A= \begin{bmatrix} 2 & 6 & 9\\3 & 4 &1\\7&7&8\end{bmatrix}`

`A_(3,\: 3)` means the element of the matrix present at the point of intersection of third row and third column which is 8.

`\therefore A_(3,\: 3)= \boxed{8}`