lim sin/xe^x x->0?
回答 (1)
2016-09-10 11:18 pm
Sol
lim(x->0)_Sinx/(xe^x) 0/0 type
=lim(x->0)_Cosx/(xe^x+e^x)
=1/(0+1)
=1
lim(x->0)_Sinx/(xe^x) 0/0 type
=lim(x->0)_Cosx/(xe^x+e^x)
=1/(0+1)
=1
收錄日期: 2021-04-30 21:49:29
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