(2) e^(-y)(1+dy/dx)=1.
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(2) e^(-y)(1+dy/dx)=1.解题e^(-y)(1+dy/dx)=1.e^(-y)+e^(-y)dy/dx=1e^(-y)dy/dx=1-e^(-y)∫e^(-y)dy/(1-e^(-y))=∫dx-∫e^(-y)d-y/(1-e^(-y))=∫dx∫1/(1-e^(-y))de^(-y)=x-∫1/(1-e^(-y))d-e^(-y)=x-∫1/(1-e^(-y))d1-e^(-y)=x-ln|1-e^(-y)|=x+cln|1-e^(-y)|=-x+c1-e^(-y)=e^(-x+c)
咨询记录 · 回答于2023-02-16
(2) e^(-y)(1+dy/dx)=1.
您好,我是百度问一问的合作老师小高老师,擅长初高中大学教育,现在已从事教育行业10年,很高兴为您服务。麻烦您耐心等待一下,大约5分钟。
1-e^(-y)=e^(-x+c)
(2) e^(-y)(1+dy/dx)=1.解题e^(-y)(1+dy/dx)=1.e^(-y)+e^(-y)dy/dx=1e^(-y)dy/dx=1-e^(-y)∫e^(-y)dy/(1-e^(-y))=∫dx-∫e^(-y)d-y/(1-e^(-y))=∫dx∫1/(1-e^(-y))de^(-y)=x-∫1/(1-e^(-y))d-e^(-y)=x-∫1/(1-e^(-y))d1-e^(-y)=x-ln|1-e^(-y)|=x+cln|1-e^(-y)|=-x+c1-e^(-y)=e^(-x+c)
(2) e^(-y)(1+dy/dx)=1.解题e^(-y)(1+dy/dx)=1.e^(-y)+e^(-y)dy/dx=1e^(-y)dy/dx=1-e^(-y)∫e^(-y)dy/(1-e^(-y))=∫dx-∫e^(-y)d-y/(1-e^(-y))=∫dx∫1/(1-e^(-y))de^(-y)=x-∫1/(1-e^(-y))d-e^(-y)=x-∫1/(1-e^(-y))d1-e^(-y)=x-ln|1-e^(-y)|=x+cln|1-e^(-y)|=-x+c1-e^(-y)=e^(-x+c)
老师,但答案是这个
一个意思,相等的