(Y-X)^3(X-Y)^m+(X-Y) ^m+1(Y-X)^2

分类: 作业答案 • 2022-06-18 20:40:18

问题描述：

(Y-X)^3*(X-Y)^m+(X-Y) ^m+1*(Y-X)^2

答

原式=（Y-X)^3(X-Y)^m+(X-Y)^m*（X-Y)(Y-X)²
=(Y-X)^3(X-Y)^m+(X-Y)^m*(-(Y-X)^3)
=(Y-X)^3(X-Y)^m-(X-Y)^m(Y-X)^3
=0

(Y-X)^3*(X-Y)^m+(X-Y) ^m+1*(Y-X)^2