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x^2(x^2-2)+1因式分解
人气:124 ℃ 时间:2020-06-01 01:03:02
解答
x²(x²-2)+1
=x∧4-2x²+1
=(x²-1)²
=[(x+1)(x-1)]²
=(x+1)²(x-1)²
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