Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 공학수학(1) [14강] 2계ODE - 미정계수법 (비제차 2계 선형 ODE) [2021년] (1.25~1.5배속 추천). That video is uploaded by 공학수학 가르치는 화공엔지니어 at 2021-01-03T02:45:44-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [3l-15n7YZOE]