(x-y)^3^乘(y-x)^4求解答
问题描述:
(x-y)^3^乘(y-x)^4求解答
答
(y-x)^4=(x-y)^4,故(x-y)^3^乘(y-x)^4=(x-y)^7.还不懂追问对了么无论y-x>=0,还是y-x
(x-y)^3^乘(y-x)^4求解答
(y-x)^4=(x-y)^4,故(x-y)^3^乘(y-x)^4=(x-y)^7.还不懂追问对了么无论y-x>=0,还是y-x