求证:(1)k/(k+1)!=1/k!-1/(k+1)!(2)1/2!+2/3!+…n/(n+1)!=1-1/(n+1)!
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 13:17:26
![求证:(1)k/(k+1)!=1/k!-1/(k+1)!(2)1/2!+2/3!+…n/(n+1)!=1-1/(n+1)!](/uploads/image/z/7130625-33-5.jpg?t=%E6%B1%82%E8%AF%81%EF%BC%9A%EF%BC%881%EF%BC%89k%2F%28k%2B1%29%21%3D1%2Fk%21-1%2F%28k%2B1%29%21%282%291%2F2%21%2B2%2F3%21%2B%E2%80%A6n%2F%28n%2B1%29%21%3D1-1%2F%28n%2B1%29%21)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/03 13:17:26