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## Homework Statement

Task is to write differential equation for this circuit.

## Homework Equations

## The Attempt at a Solution

I'll try to solve the task, but now I want to know, is it possible to use voltage source instead of current source. For example, I can calculate ekvivalent resistance R_1, R_2 an R_3 parallel. Then current source * ekvivalent (total) resistance = voltage source?

Like this:

Don't look at numbers, they are random.. I just want to know about idea.

If it's possible, then I can use V(Thevenin) and R(Thevenin).

OR:

I can calculate R(Thevenin) = (R2*R3)/(R2+R3), I guess.

But I don't know, how to calculate I(Thevenin). Or I have to use Northon method, when we've got capacitor?

Can you suggest something?