y[n]=1+(1/1!)+(2/2!)+(3/3!)+……+(1/n!)
=1+1+(1/1!)+(1/2!)+(1/3!)+……+(1/n!)
所以lim y[n]=2+e
请高手解一道极限题y[n]=1+(1/1!)+(2/2!)+(3/3!)+……+(1/n!) 求lim y[n]
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