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请化简(x+y)的6n次方,/(-x-y)的2n+1次方.(n是正整数)
人气:464 ℃ 时间:2019-10-14 00:42:49
解答
(x+y)^(6n) / (-x-y)^(2n+1)
=(x+y)^(6n) / {-(x+y)^(2n+1)}
=-(x+y)^{6n-(2n+1)}
=-(x+y)^(4n-1)
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