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数学
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求lim sinx^2/(sinx)^2 x趋向0
人气:301 ℃ 时间:2020-02-04 07:27:39
解答
当x趋向0时
sinx x 为等价无穷小
lim sinx^2/(sinx)^2
=lim x^2/(x)^2=1
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