作业帮因式分解：n²+[n(n+1)]²+（n+1）²
来源：学生作业帮助网 编辑：作业帮 时间：2024/12/01 19:22:01
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因式分解：n²+[n(n+1)]²+（n+1）²
因式分解：n²+[n(n+1)]²+（n+1）²
因式分解：n²+[n(n+1)]²+（n+1）²
n²+[n(n+1)]²+（n+1）²
=[n(n+1)]²＋n²＋2n＋1＋n²
=(n²＋n)²＋2(n²＋n)＋1
=(n²＋n＋1)²