題目 2. limn→∞(n1+n2+n4+n2+⋯+ni2+n2+⋯+nn2+n2)=?\displaystyle \lim_{n\to\infty}\left(\frac{n}{1+n^2}+\frac{n}{4+n^2}+\cdots+\frac{n}{i^2+n^2}+\cdots+\frac{n}{n^2+n^2}\right)=?n→∞lim(1+n2n+4+n2n+⋯+i2+n2n+⋯+n2+n2n)=? (20/100)(20/100)(20/100) 解答
