Find the conservation of electrical energy in the LCR

[aruwin]

Homework Statement

Find the conservation of electrical energy in the LCR

Homework Equations

LdQ^2/dt + Q/C = 0

LdQ^2/dt + RdQ/dt + Q/C = 0

The Attempt at a Solution

LdQ^2/dt + Q/C = RdQ/dt

 

[Zryn]

Which LCR? there's no diagram!

Also, derivate notation involves the same power on top as the bottom, i.e d^2Q/dt^2, so can you double check your listed relevant equations.