How would I start in solving this recursive sequence? Thanks!
Sequence: 3, 5, -2, 7, -9, 16, -25, 41, ...
discrete-mathematics
asked 2011-02-06
user id: user
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@Jay: I think you need to review the definition of "recursive sequence". There is as yet no recursive anything in your question. – 2011-02-06
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$a(1)=3, a(2)=5, a(n+2)=a(n)-a(n+1)$ – 2011-02-06
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@user3123 "How would I **start** in solving this recursive sequence?" – 2011-02-06
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@milcak I guess there is no universal approach. With your answer you are doing the same thing as me, giving a spoiler to the solution but not provide how to generally solve this kind of problems. – 2011-02-06
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@user3123 First of all, whatever "giving a spoiler to the solution" means to you, it is not the same as **giving the solution.** Following my anwser, maybe it could take him 10 seconds or 5 minutes to reach the solution. And I don't care. From your comment, he can toss the book he was reading away and do something else - without thought. And I tried to provide within my anwser how to generally solve such problems, and I'm sure it will be more helpful then what you attempted. – 2011-02-06
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@user3123 well, at least you waited 10 hours. props. – 2011-02-07