Starting with (5.1.1) of the text, show that [A=frac{V_{mathrm{S}} I_{mathrm{S}}+V_{mathrm{R}} I_{mathrm{R}}}{V_{mathrm{R}} I_{mathrm{S}}+V_{mathrm{S}} I_{mathrm{R}}} quad text { and

Question:

Starting with (5.1.1) of the text, show that \[A=\frac{V_{\mathrm{S}} I_{\mathrm{S}}+V_{\mathrm{R}} I_{\mathrm{R}}}{V_{\mathrm{R}} I_{\mathrm{S}}+V_{\mathrm{S}} I_{\mathrm{R}}} \quad \text { and } \quad B=\frac{V_{\mathrm{S}}^{2}-V_{\mathrm{R}}^{2}}{V_{\mathrm{R}} I_{\mathrm{S}}+V_{\mathrm{S}} I_{\mathrm{R}}}\]

Data From Equation 5.1.1:-