若∫01dx∫x2xf(x,y)dy=∫01dy∫x1(y)x2(y)f(x,y)dx则(x1(y),x2(y))=______
选项:
A:若∫01dx∫x2xf(x,y)dy=∫01dy∫x1(y)x2(y)f(x,y)dx则(x1(y),x2(y))=______
发布时间:2024-05-19 16:28:30