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数学
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当x趋于0时lim[1+3(tanx)^3]^cot2x的极限
人气：391 ℃ 时间：2020-02-06 02:29:48
解答
lim[1+3(tanx)^3]^cot2x
=e^[lim3(tanx)^3cot2x]
=e^[lim3x^3/(2x)]
=e^0=1
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