Câu hỏi 23
Tính tổng vô hạn
$$\sum_{n=2}^{\infty}\log_2\left(\frac{1-\frac1n}{1-\frac1{n+1}}\right).$$
$$\sum_{n=2}^{\infty}\log_2\left(\frac{1-\frac1n}{1-\frac1{n+1}}\right).$$
MathNet 2014 Câu hỏi 23
Math Olympiad Vault · MathNet 2014
Math Olympiad Vault · MathNet 2014