> 数学 >
计算:(a-b)^2n+1(b-a)^2n÷(b-a)^2n+2
人气:431 ℃ 时间:2020-03-28 12:38:15
解答
(a-b)^(2n+1)*(b-a)^2n÷(b-a)^2n+2
=(a-b)^(2n+1)*(b-a)^(2n-2n-2)
=(a-b)^(2n+1)*(b-a)^(-2)
=(a-b)^(2n+1)*[-(a-b)^(-2)]
=-(a-b)^(2n+1-2)
=-(a-b)^(2n-1)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版