请解ODE:reduce to first order and solve,showing each step in detaily''-y'=2xy''=3y'y''+(y')^3*cosy=0

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请解ODE:reduce to first order and solve,showing each step in detaily''-y'=2xy''=3y'y''+(y')^3*cosy=0
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请解ODE:reduce to first order and solve,showing each step in detaily''-y'=2xy''=3y'y''+(y')^3*cosy=0
请解ODE:reduce to first order and solve,showing each step in detail
y''-y'=
2xy''=3y'
y''+(y')^3*cosy=0

请解ODE:reduce to first order and solve,showing each step in detaily''-y'=2xy''=3y'y''+(y')^3*cosy=0
降阶法：


你有问题也可以在这里向我提问：

（1）第一道题是y''-y'=0吗？如果是，令y'=z,则z'-z=0，所以z=Cexp(x)即y'=Cexp(x),积分，得到

                  y=Cexp(x)+D

          C,D为积分常数

  (2)(3)问不太好在网页上编辑公式,见下面的截图

请解ODE:reduce to first order and solve,showing each step in detaily''-y'=2xy''=3y'y''+(y')^3*cosy=0 ode to my family reduce ...to ...,例如：reduce to , Ode to My Family 歌词 How to reduce stress?请用英文回答 reduce ……to reduce ……to 求小红莓 ode to my family MV reduce of,reduce by,reduce to,reduce at分别是什么?都有什么区别? 请用 reduce 造个句 字 What can we do to reduce pollution in Guangzhou?请用英语回答问题. 请翻译 Useful Tips for Women Who Want to Reduce Belly Fat Naturally reduce reduce by和reduce to有什么区别? reduce to和reduce by有啥区别 ordinary differential equation(ODE微分方程)请大神帮忙! 小红莓ode to my family的歌词是什么?3Q~!~!~ Ode To My Family歌词将的是什么,不要翻译!