lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解

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lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解lim(n趋于无

lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解
lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解

lim(n趋于无穷大)((根号下n^4+n+1)-n^2)(3n-4)=?答案是3/2求详解
((根号下n^4+n+1)-n^2)(3n-4)=(n+1)(3n-4)/(根号下n^4+n+1)+n^2),然后分子,分母都除以n^2,可以得极限为3、2