Question: (a) Formulate node-voltage equations for the circuit in Figure P3-4. Arrange the results in matrix form (mathbf{A x}=mathbf{b}). (b) Solve these equations for (v_{mathrm{A}}) and

(a) Formulate node-voltage equations for the circuit in Figure P3-4. Arrange the results in matrix form \(\mathbf{A x}=\mathbf{b}\).

4 4 + 1x = 10 mA VB 4 5V 4 VC

(b) Solve these equations for \(v_{\mathrm{A}}\) and \(v_{\mathrm{C}}\).
(c) Use these results to find \(v_{\mathrm{x}}\) and \(i_{\mathrm{x}}\).

4 4 + 1x = 10 mA VB 4 5V 4 VC

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