$5-3.$ In the circuit shown, the switch $K$ is changed from position $a$ to position $b$ at $t=0,$ having already established a steady state in position a$.$ Find $i,d\frac{i}{d}t,d^2\frac{i}{d}{t}^2,$ and $d^2\frac{i}{d}{t}^3$ at $t=0+,$ when $L=1$ henry, $C=10f,$ and $V=100$ volts. Answers. $0,-100,0,{10}^7.$