Please help me understand how my professor solved this and plugged in the values

Problem 7: The diagram below shows an LRC circuit. Assume the values of the components are Lo: 10.23. 10 H, Co:=1.242 . 10 3 F and Ro:= 123.4. . (a) What is the frequency of the AC generator if the circuit is in resonance. (b) What is the inductive reactance at this frequency (c) What is the capacitive reactance at this frequency (d) What is the impedance? =44.65 R C 2 . 71 . Lo . Co bo 0000 C L X1 := 2 . n . fo . Lo= 2.87 0 1 X := 2.87 1 2 . TT . fo . Co Ro= 123.4 0