是-1/2,答案错了
恩恩因为这是-x^2图片上有公式啊,你代入试试看1)lim(x→0) 1-cos3x/x^2 2)lim(x→0)[更号下(1-x^2)]-1/tanx^2 利用等价无穷小代换法求函数的极限
1)lim(x→0) 1-cos3x/x^2 2)lim(x→0)[更号下(1-x^2)]-1/tanx^2 利用等价无穷小代换法求函数的极限
掉了一题3)lim(x→0)(e^2x)-1/x
掉了一题3)lim(x→0)(e^2x)-1/x
数学人气:757 ℃时间:2019-10-17 02:29:05
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