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求极限 lim n趋于无穷 3n²+2n-1/2n²+n-10
求极限 (1) lim x趋于1 x³-3x²+2x /x-1
(2)lim x趋于1 x²+2x-1/x ³+5
人气:426 ℃ 时间:2020-05-22 04:38:21
解答
lim n趋于无穷 3n²+2n-1/2n²+n-10
=(3+2/n-1/n^2)/(2+1/n-10/n^2)
=3/2
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