Question 3.3.5: The computation in Example 2 (disregarding the fourth column...

Differential Equations and Linear Algebra

The computation in Example 2 (disregarding the fourth column in each matrix there) shows that the matrix

$A = \left [\begin{matrix} 1 & 2 & 1 \\ 3 & 8 & 7 \\ 2 & 7 & 9 \end{matrix}\right ]$

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