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求极限lim [ 2^(n+1)+3^(n+1)]/2^n+3^n (n→∞)
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lim(n趋于无穷)[n(n+1)/2]/n方+3n的极限是多少?
求极限lim 2/(3^n-1)
极限的运算法则!已知 lim(2n+1)an=3,lim(nan)=
求极限,lim(x->0) (1-2sinx)^(3/x)lim(n->+∞) (n!-4^n) / (6+ln(n)+
用夹逼准则和重要极限两种方法计算极限lim(2^n+3^n+4^n+5^n+6^n)^(1/n)n趋近于...
求极限n~∞,lim(n+1)/2n