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lim(1+2x)^1/x求极限(lim下是x~0)
人气:337 ℃ 时间:2020-03-10 05:02:00
解答
lim(x->0)(1+2x)^(1/x)
=lim(2x->0)[(1+2x)^(1/2x)]^2
lim(2x->0)(1+2x)^(1/2x)=e
=e^2
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