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因式分解a4-4a2-4a-1
人气:496 ℃ 时间:2020-05-10 13:09:12
解答
a4-4a2-4a-1
=a^4-(2a+1)^2
=(a^2+2a+1)(a^2-2a-1)
=(a+1)^2*(a-1+√2)(a-1-√2)
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