问题标题:
设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx.
问题描述:
设y=y(x)由方程e^xy+sin(xy)=y确定,求dy/dx.
何月华回答:
e^(xy)+sin(xy)=y
(y+xy')e^(xy)+(y+xy')cos(xy)=y'
y'=(ye^(xy)+ycos(xy))/(1-xe^(xy)-xcos(xy))
点击显示
数学推荐
热门数学推荐