Ononot — If A = \begin{pmatrix} 4 & 1 \\ 0 & 4 \end{pmatrix}, what is

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Eigenvalues & Eigenvectorseasy

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If $A = \begin{pmatrix} 4 & 1 \\ 0 & 4 \end{pmatrix}$ , what is the algebraic multiplicity of the eigenvalue $\lambda = 4$ ?