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慧颖 朱
教师 in 武汉
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June 25
慧颖
added a blog entry
习题解答
"习题1-4,1-5无穷小与无穷大,极限运算法则 证明:函数当时为无穷小. 证明:因为,所以对任意给定的 ,要使,只需,取,则当时,总有,所以,即函数当时为无穷小。 证明:当时,函数是无穷大. 证明:因为,而当时,, 所以对任意给定的 ,要使,只需, 即只需,取, 则当时,总有成立,所以,即函数当时为无穷大。 3.计算下..."
June 25
慧颖
added a blog entry
测试
"让我试试从word发布blog"
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