1. t< 0 S1 has been closed and S2 has been open fora long time. At t=0 S1 is opened and S2 isclosed.
A. Draw the circuit for t<0 and derive Vc(0)
2. For t>0
A. Draw the simplified circuit and find its correspondingdifferential equation
B. Solve the differential equation
C. Derive i(t)