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Let \(\mathbf{A} = \begin{pmatrix} \frac{10}{2} & 0 \\ 1 & -3 \end{pmatrix}\). Which of the following statements is true?
\(\mathbf{A} = \begin{pmatrix} 5 & 1 \\ 0 & -3 \end{pmatrix}\)
\(\mathbf{A} = \begin{pmatrix} 5 & 0 \end{pmatrix}\)
\(\mathbf{A} = \begin{pmatrix} 5 \\ 1 \\ 0 \\ -3 \end{pmatrix}\)
\(\mathbf{A} = \begin{pmatrix} 5 & 0 \\ \sin(\frac{\pi}{2}) & -3 \end{pmatrix}\)
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