早教吧 育儿知识 作业答案 考试题库 百科 知识分享

(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)必采(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)

题目详情
(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1) 必采
(a+1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)
▼优质解答
答案和解析
原式=(a+1)(a^2+1)...(a^16+1)(a-1)
=(a+1)(a-1)(a^2+1)...(a^16+1)/(a-1)
=(a^2-1)...(a^16+1)/(a-1)
=(a^32-1)/(a-1)