化简:1/(a+1)×a/(a²+2a+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 10:12:16
x){3{fk$jjd)[XkDlQ_`gCy8emR`
"kZZ[$As[h*aBㆉEt 鄨%J?"`md" q:
化简:1/(a+1)×a/(a²+2a+1)
化简:1/(a+1)×a/(a²+2a+1)
化简:1/(a+1)×a/(a²+2a+1)
1/(a+1)×a/(a²+2a+1)=a/[(a+1)×(a+1)²]=a/(a+1)³;
1/(a+1)×a/(a²+2a+1)
=(a²+2a+1)/【1/(a+1)×a】
=(a+1)²/【1/(a+1)×a】
=(a+1)/a
=1+1/a