学帮网高数微分求导
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/14 16:58:59
高数微分求导
两边同时对x求导得：
2y'-1=(x-y)/(x-y)*(1-y')+(1-y')ln(x-y)=(1-y')(1+ln(x-y));
所以y'=(2+ln(x-y))/(3+ln(x-y))=1-1/(3+ln(x-y));
y"=(3+ln(x-y))'/(3+ln(x-y))^2=(1-y')/((x-y)*(3+ln(x-y))^2)=1/((x-y)*(3+ln(x-y))^3);