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Math Help - polynomial matrix - help me^_^

  1. #1
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    Red face polynomial matrix - help me^_^

    If A=\left[ \begin{matrix} 2 & 1 & 1 \\ 1 & 2 & 0 \\ 1 & 1 & 2 \end{matrix} \right], then A^{2009}=...
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  2. #2
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    Quote Originally Posted by GTK X Hunter View Post
    If A=\left[ \begin{matrix} 2 & 1 & 1 \\ 1 & 2 & 0 \\ 1 & 1 & 2 \end{matrix} \right], then A^{2009}=...
    Did you try computing A^1, A^2, A^3? ....most probably if you do that you shoud see a pattern that you can use?
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  3. #3
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    Quote Originally Posted by aman_cc View Post
    Did you try computing A^1, A^2, A^3? ....most probably if you do that you shoud see a pattern that you can use?
    yeap i have done it but i cant see any pattern...
    please help...
    may be use another way besides try computing A^1, A^2, A^3, ... ?
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