求极限 lim( √N^2+N )-N X趋向于无穷 求极限
求极限 lim( √N^2+N )-N X趋向于无穷 求极限
求极限 n趋向于无穷 lim((根号下n^2+1)/(n+1))^n
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lim[(根号下n^2+n)-n],n趋向于无穷,求函数的极限
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