xy-sin(2x+3y)=5隐函数求导

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xy-sin(2x+3y)=5隐函数求导xy-sin(2x+3y)=5隐函数求导xy-sin(2x+3y)=5隐函数求导两边对x求导得y+xy''-cos(2x+3y)*(2+3y'')=0解出来y''就可

xy-sin(2x+3y)=5隐函数求导
xy-sin(2x+3y)=5隐函数求导

xy-sin(2x+3y)=5隐函数求导
两边对x求导得
y+xy'-cos(2x+3y)*(2+3y')=0
解出来y'就可以了