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General solution to a recurrence relation.

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I need to find the general solution for the following recurrence relation but in a form that doesn't contain complex numbers.

a_{n+2}+2a_{n+1}+5a_n = 0

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Given Recurrance relation

First we look for solutions ...

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A general solution to a recurrence relation is found. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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