数列0.8,-0.88,0.888,-0.8888的通项公式
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 14:38:08
![数列0.8,-0.88,0.888,-0.8888的通项公式](/uploads/image/z/377570-2-0.jpg?t=%E6%95%B0%E5%88%970.8%2C-0.88%2C0.888%2C-0.8888%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F)
数列0.8,-0.88,0.888,-0.8888的通项公式
数列0.8,-0.88,0.888,-0.8888的通项公式
数列0.8,-0.88,0.888,-0.8888的通项公式
Cn=(-1)^(n-1)x((10^n-1)/9))x10^-nx8
下次给点分哈
((-1)^(n-1)*0.8*(1-0.1^n))/0.9
去书店买“算例罗章”这本书,上面写的明明白白