Let
\[\mathbf{A} = \begin{pmatrix} 4 & 1 \\ -9 & -2 \end{pmatrix}.\]Compute $\mathbf{A}^{100}.$
Question:
Let
\[\mathbf{A} = \begin{pmatrix} 4 & 1 \\ -9 & -2 \end{pmatrix}.\]Compute $\mathbf{A}^{100}.$
Answer:
Let's think step by step.

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\begin{pmatrix} 301 & 100 \\ -900 & -299 \end{pmatrix}
Let
\[\mathbf{A} = \begin{pmatrix} 4 & 1 \\ -9 & -2 \end{pmatrix}.\]Compute $\mathbf{A}^{100}.$
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