因式分解:(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
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因式分解:(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
因式分解:(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
因式分解:(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
=(x+y)ⁿ[(x+y)² —2(x+y) +1 ]
=(x+y)ⁿ(x+y-1)²
您好:
(x+y)ⁿ+² —2(x+y)ⁿ+¹ +(x+y)ⁿ
=(x+y)ⁿ[(x+y)²-2(x+y)+1]
=(x+y)ⁿ(x+y-1)²
不明白,可以追问如有帮助,记得采纳,
谢谢 祝学习进步!