问题标题:
化简:[(x+y)^2n]^4÷(-x-y)^2n+1(n为正整数)
问题描述:
化简:[(x+y)^2n]^4÷(-x-y)^2n+1(n为正整数)
廖勇回答:
[(x+y)^2n]^4÷(-x-y)^2n+1
=-(x+y)^8n÷(x+y)^(2n+1)
=-(x+y)^(8n-2n-1)
=-(x+y)^(6n-1)
点击显示
数学推荐
热门数学推荐