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  4. The characteristic roots of the matrix [1 0 0 2 3 0 4 5 6] are

Q. The characteristic roots of the matrix $\begin{bmatrix}1 & 0 & 0 \\ 2 & 3 & 0 \\ 4 & 5 & 6\end{bmatrix}$ are

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Solution:

The characteristic roots of Triangular matrix are the diagonal elements, $1 ,3 ,6$

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