n/(2n+1)在n趋向+∞的极限
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n/(2n+1)在n趋向+∞的极限n/(2n+1)在n趋向+∞的极限n/(2n+1)在n趋向+∞的极限=1/2n/(2n+1)=n/[n(2+1/n)]=1/(2+1/n)lim(n->+∞)n/(2
n/(2n+1)在n趋向+∞的极限
n/(2n+1)在n趋向+∞的极限
n/(2n+1)在n趋向+∞的极限
=1/2
n/(2n+1)
=n/[n(2+1/n)]
=1/(2+1/n)
lim (n->+∞) n/(2n+1)
=lim (n->+∞) 1/(2+1/n)
= 1/(2+0)
=1/2
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