The series R-L-C circuit of Figure 3.3a is in a sinusoidal steady state at a frequency of 60 Hz. V ¼ 120 V, R ¼ 1.3 Ω, L ¼ 20 mH, and C ¼ 100 μF. Calculate iðtÞ in this circuit by solving the differential equation Equation 3.3.