初中数学
(2+1)(2^2+1)(2^4+1).......(2^64+1)=? 过程!!!!!!!!!!!!!!!!!!!!!
参考答案:(2-1)(2+1)...(2^64+1)
=(2*2-1)(2^2+1)(2^4+1).......(2^64+1)
=2^128-1
所以
(2+1)(2^2+1)(2^4+1).......(2^64+1)=(2^128-1)/(2-1)
=2^128-1
(2+1)(2^2+1)(2^4+1).......(2^64+1)=? 过程!!!!!!!!!!!!!!!!!!!!!
参考答案:(2-1)(2+1)...(2^64+1)
=(2*2-1)(2^2+1)(2^4+1).......(2^64+1)
=2^128-1
所以
(2+1)(2^2+1)(2^4+1).......(2^64+1)=(2^128-1)/(2-1)
=2^128-1