In the circuit shown below, the switch has been closed for a long time before opening at $t=o.$

Find:

a$)i_1(0^{-})$and $i_2(0^{-})$

b$)i_1(0^{+})$and $i_2(0^{+})$

c$)i_1(t)$ for $t0$

d$)i_2(t)$ for $t{0}^{+}$

e$)$ Explain why $i_2(0^{-})i_2(0^{+})$