For solving a RLC-series circuit with R= 5 ohms, L = 0,03 H , C = 1 microF , null initial conditions and voltage = 10 V, I tried with this syntax on the Wolfram alpha , but it does not work...
10=5x(t) + 0.03dx(t)/dt + (10^1)*Integrate[x(t),t] ; x(t=0)=0; x´(t=0)=10/0.03
What may be wrong, folks ?