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lim[(2n-1)an]=2,求limnan
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若lim(2n-1)an=1,则limnan=__________
若极限LIM[(3N+1)*AN]=1,求LIM(NAN)的极限 答案为1/3.
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数列极限(已知lim[(2n-1)an]=2,求lim n*an)
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若lim[(2n-1)an]=1 求lim(n*an)的值
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求极限lim 2/(3^n-1)
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