微分方程cosydx+(1+e-x)sinydy=0满足初始条件y x=0=π/

免费考试题库2019-12-17  24

问题 微分方程cosydx+(1+e-x)sinydy=0满足初始条件y x=0=π/3的特解是:

选项 A. cosy=(1/4) (1+ex)B. cosy=1+exC. cosy=4(1+ex)D. cos2y=1+ex

答案A

解析提示本题为一阶可分离变量方程,分离变量后两边积分求解。[img]/upload/tiku/233/2658664_1.jpg[/img]
转载请注明原文地址:https://ti.zuoweng.com/ti/n1HNKKKQ