(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)的值

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 06:05:56
(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)的值

(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)的值
(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)的值

(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)的值
515007531,
(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)
=(3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)/(3-1)
=(3^2-1)(3^2+1)(3^4+1)(3^8+1)……(3^64+1)/2
=(3^4-1)(3^4+1)(3^8+1)……(3^64+1)/2
=(3^8-1)(3^8+1)……(3^64+1)/2
=(3^128-1)/2