怎么做1/(1+1.414)+1/(1.414+1.732)+...+1/(1.414+2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 07:10:12
![怎么做1/(1+1.414)+1/(1.414+1.732)+...+1/(1.414+2)](/uploads/image/z/14970839-23-9.jpg?t=%E6%80%8E%E4%B9%88%E5%81%9A1%2F%281%2B1.414%29%2B1%2F%281.414%2B1.732%29%2B...%2B1%2F%281.414%2B2%29)
怎么做1/(1+1.414)+1/(1.414+1.732)+...+1/(1.414+2)
怎么做1/(1+1.414)+1/(1.414+1.732)+...+1/(1.414+2)
怎么做1/(1+1.414)+1/(1.414+1.732)+...+1/(1.414+2)
1/(1+1.414)+1/(1.414+1.732)+1/(1.414+2) =1/(1+√2)+1/(√2+√3)+1/(√3+2) =(√2-1)+(√3-√2)+(2-√3) =2-1 =1