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lim(x→0)(1-3x)^(3/x)
人气:135 ℃ 时间:2020-04-03 00:06:44
解答
lim(x→0)(1-3x)^(3/x)
=lim(x→0)[1+(-3x)]^[-1/(3x)*(-9)]
=e^(-9)
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