Your only error -- and it's a common one -- is in a subtle misreading of L'Hopital's rule. What the rule says is that IF the limit of f′ over g′ exists then ... ... <看更多>
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Your only error -- and it's a common one -- is in a subtle misreading of L'Hopital's rule. What the rule says is that IF the limit of f′ over g′ exists then ... ... <看更多>