Yeah it's definitely 2. If less than two the negative exponential will dominate as t-->inf, but if greater than two the positive exponential will dominate. t^2 and lower order terms can't hold a candle to the exponential as t--> inf, so you can basically ignore them. At least I think that's what they're asking.
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sforzinda
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Date: 2005-04-08 11:50 am (UTC)