I would like to solve that limit solved using only rules of algebra of limits.
limx→0ex−1−xx2
All the answers in How to find limx→0ex−1−xx2 without using l'Hopital's rule nor any series expansion? do not fully address my question.
A challenging limit problem for the level of student who knows that:
limx→+∞ex=+∞limx→−∞ex=0limx→+∞exxn=+∞limx→−∞xnex=0limx→0ex−1x=1
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