来自冯德谦的问题
设函数f(x)在(0,+∞)上三阶可导,而且|f(x)|≤M0,|f'''(x)|≤M3求证f'(x)f''(x)在(0,+∞)有界
设函数f(x)在(0,+∞)上三阶可导,而且|f(x)|≤M0,|f'''(x)|≤M3求证f'(x)f''(x)在(0,+∞)有界
1回答
2020-12-25 00:39
设函数f(x)在(0,+∞)上三阶可导,而且|f(x)|≤M0,|f'''(x)|≤M3求证f'(x)f''(x)在(0,+∞)有界
设函数f(x)在(0,+∞)上三阶可导,而且|f(x)|≤M0,|f'''(x)|≤M3求证f'(x)f''(x)在(0,+∞)有界
摘自《数学分析典型方法》,供参考