Assignment:
Solve the differential equation
mx¨(t) + cx·(t) + kx(t) = kf(t)
by means of a Fourier analysis, where f(t) is the periodic function shown in Fig.
![574_Fourier analysis.JPG](https://secure.tutorsglobe.com/CMSImages/574_Fourier analysis.JPG)
Provide complete and step by step solution for the question and show calculations and use formulas.