Copy of Non Inverting Adder

Non Inverting Adder. The output is Vo = (1 + Rf/R) * (1/(R1+R2))*(R2*V1 + R1 V2) So if R1 = R2, then Vo = (1 + Rf/R) * (0.5*(V1 + V2) Now if Rf = R, then Vo = (V1 + V2)