Solving for VA-V₁ RA Vi - Vin RA RF X RF BARE + + Vi - Vin BA RF Vi - RF Vin (RF RA) Vin VA - VB BF Vin = RF V₂ - RF VA +REVin Vi - VB RE x (RF Vi — RFVin ) + (RAV₂ – RAVB) REXA Vin = REV₂ R$ + Vin = Vi + Vin = DF. Vi RF RE VIN RE Vi + RAVi - RAVB RA Vi-VB RA RF + RAVIRA VB RFRA RF Vi+ RA Vi - RA VB RF + RAV RF 0, but VA = Vi → Replace VA with Vi + RAVI- RAVB = 0 + RF Vin RA Vi RF + RAVI RF Vin = RF Vi + RA Vi RF + BA VB RF RAVB RF + RAKS + RA VB = 0XRARF < Is this ok? Is this fight?

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