題目 4. (10%) Evaluate the limit. limn→∞1n(n+1)(n+3)(n+5)⋯(3n−1)n\lim_{n\to\infty}\frac{1}{n}\sqrt[n]{(n+1)(n+3)(n+5)\cdots(3n-1)}n→∞limn1n(n+1)(n+3)(n+5)⋯(3n−1) 解答
