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108642jinyu's Question
Math
Posted 5 months ago
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Answer from Sia
Posted 5 months ago
Here’s a similar math question following the provided format:

Let N=[213012120] N = \left[ \begin{array}{ccc} 2 & -1 & 3 \\ 0 & 1 & -2 \\ -1 & 2 & 0 \end{array} \right] . Find d1,d2 d_{1}, d_{2} , and d3 d_{3}  such that N3+d1N2+d2N+d3I3=0 N^{3} + d_{1} N^{2} + d_{2} N + d_{3} I_{3} = 0 , where I3 I_{3}  is the identity 3×3 3 \times 3  matrix. 

d1=.d2=.d3=.
\begin{array}{l}
d_{1}= \square . \\
d_{2}= \square . \\
d_{3}= \square .
\end{array}

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