lim n→无穷 (6n-1)/(3n+1)=?

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limn→无穷(6n-1)/(3n+1)=?limn→无穷(6n-1)/(3n+1)=?limn→无穷(6n-1)/(3n+1)=?分子分母同除以n,得lim(6n-1)/(3n+1)=lim(6-1

lim n→无穷 (6n-1)/(3n+1)=?
lim n→无穷 (6n-1)/(3n+1)=?

lim n→无穷 (6n-1)/(3n+1)=?
分子分母同除以n,得 lim (6n-1)/(3n+1) = lim (6-1/n)/(3+1/n) = 2

罗比达法则吧。。6/3

lim n→无穷 (6n-1)/(3n+1)
=lim n→无穷 (6-1/n)/(3+1/n) 分子分母都除以n
=6/3
=2