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Let T(x)=AxT(\mathbf{x})=A\mathbf{x} with A=(5243)A=\begin{pmatrix}5&2\\4&3\end{pmatrix}, and let B={(1,−2),(1,1)}\mathcal{B}=\{(1,-2),(1,1)\}, a basis of eigenvectors with eigenvalues 11 and 77. Find the (2,2)(2,2) entry of [T]B[T]_{\mathcal{B}}.
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