limsin(1/1+x)有界( x→-1)在-1与1之间
lim(1+x)sin(1/1+x)=0( x→-1)
lim(1+x)sin(1/1+x)=?( x→-1)
lim(1+x)sin(1/1+x)=?( x→-1)
其他人气:660 ℃时间:2020-04-20 10:04:06
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