求极限; Lim{x[1-xln(1+1/x)]} x趋进于无穷
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当x趋近于无穷时,求xln[x/(x-1)]的极限,
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函数lim x趋近于负无穷 e^1-x/x+x^2 求极限
1.lim(x^2-x+1)/(x-1)^2在x趋进于1时的极限.
lim(1-2/x)^x/2+1(x趋向于无穷)求极限
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lim 2x+1/x x趋向于无穷 求极限