ln(2n^2-n+1)-2ln n.当n趋于正无穷是的极限
问题描述:
ln(2n^2-n+1)-2ln n.当n趋于正无穷是的极限
答
ln(2n^2-n+1)-2ln n=ln((2n^2-n+1)/n^2)=ln(2-1/n+1/n^2)--->2
答案:2