limn →∞ n^2+1/2n^2+n-3=

jyqatwkb2022-10-04 11:39:541条回答

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dinghui019 共回答了17个问题 | 采纳率94.1%
limn →∞ n^2+1/2n^2+n-3
=limn →∞ (1+1/n²)/[2+(1/n)-3/n²]
= (1+0)/[2+0-0]
=1/2
1年前

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