化简 (3+1)(3^2+1)(3^4+1)(3^6+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/07 17:02:33
x){3
cmCM
8#èMR>l5VX$K>X4H:#]l& ).B(l6
$ف| D
化简 (3+1)(3^2+1)(3^4+1)(3^6+1)
化简 (3+1)(3^2+1)(3^4+1)(3^6+1)
化简 (3+1)(3^2+1)(3^4+1)(3^6+1)
=(3-1)(3+1)(3^2+1)(3^4+1)(3^6+1)/(3-1)
=(3^2-1)(3^2+1)(3^4+1)(3^6+1)/2
=(3^8-1)(3^6+1)/2
=(3^14+3^8-3^6-1)/2
=3^13+3^7-3^5-0.5