请化简(x+y)的6n次方,⼀(-x-y)的2n+1次方。 (n是正整数)

2025-05-15 15:22:21
推荐回答(1个)
回答1:

(x+y)^(6n) / (-x-y)^(2n+1)
=(x+y)^(6n) / {-(x+y)^(2n+1)}
=-(x+y)^{6n-(2n+1)}
=-(x+y)^(4n-1)