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Consider the following linear recurrence sequence.

$x_1 = 11$, $x_{n+1} = -0.8x_n + 9,\quad n = 1,2,3, \ldots.$

Find a closed form for this sequence.

  • 0
    What did you try?2012-02-01
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    http://en.wikipedia.org/wiki/Recurrence_relation#Solving_non-homogeneous_recurrence_relations2012-02-01
  • 0
    You should really try to write out the first few terms and see what happens if you have nowhere to go.2012-02-01

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