Recurrence Relationshard
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Consider the matrix form (anan1)=M(an1an2)\begin{pmatrix} a_n \\ a_{n-1} \end{pmatrix} = M \begin{pmatrix} a_{n-1} \\ a_{n-2} \end{pmatrix} for an=2an1+3an2a_n = 2a_{n-1} + 3a_{n-2}. What is MM?