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How do I solve the problem: [math] A=\begin{pmatrix} -2 &4 \\   -5& 7 \end{pmatrix}, A^{n}=? [/math]?
I need to solve A to the power of n, where A is a matrix with elements -2, 4, -5, and 7.
Sure, I can help you with that. Do you know what value of n you need to raise A to?