(2n+1)(4n²-1)(2n-1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 17:03:53

(2n+1)(4n²-1)(2n-1)
(2n+1)(4n²-1)(2n-1)

(2n+1)(4n²-1)(2n-1)
(2n+1)(4n²-1)(2n-1)
=(2n+1)(2n-1)(4n²-1)
=(4n²-1)(4n²-1)
=(4n²-1)²
=16n^4 - 8n² + 1