Help me solve this differential equation

I need some help. Im pretty new at learning mathlab and im trying to learn differential equations.

This is a differential equation

I want to choose a value on ω and solve the equation with ode45.

I also want to plot and it should look like a sinusoidal function.

Where do i start?

Answer 1

[Shadaab Siddiqie]

From my understanding you want to solve an multi order differential equations. You can go through solve ODE, symbolic variables and expressions and also dsolve for more information.