Transient Analysis in RLC Circuit by Direct Solution

Using classical method, find the expression for the current and voltage of inductor and capacitor respectively for t>0 from the circuit shown in following figure.
[IMAGE: Circuit with 11V source, 1Ω, 9Ω resistors, 1F/9 capacitor, and 1H inductor.]

At t = 0, switch is closed in the circuit of figure below. Find the Vc(t) and ic(t) using classical method.
[IMAGE: Circuit with 10A source, 20Ω, 200V source, 20Ω resistor, and 10μF capacitor.]

For the circuit shown in following figure, use classical method to find the current in the inductor for t > 0.
[IMAGE: Circuit with 10Ω, 10Ω, 20Ω resistors, 10V source, and 2H inductor.]