I don't have experience with L'Hopital Rule nor series and thats what most solution are, is there is other method can be used to solve that limit? i thought about trying to use first principle of derivative but i dont know where to begin. i need some help to guide me to the right direction.
Answer
This is precisely limx→+∞exp(1x)−11x=limu→0+exp(u)−1u
Does that remind you of some derivative?
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