ODE 27: y''+4y=3sin (2x)

9:42
ODE 28: y"+2y'=2x+5 e^(-2x)

27:07
Variation of Parameters (Second Order DE) - Differential Equations

12:25
Integral 47 int x^2 sqrt{4-x^2} dx

18:13
ODE 29: y''+y=2xsin(x)

28:23
MOZART Sinfonia 41 KV 551 C Dur

25:17
Second Order Linear Differential Equations

7:04
Bolton has theory on why Trump threatened Russia with sanctions

1:10:44