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// Exa 14.2
clc;
clear;
// Given data
Va=2;// Volts
Vb=1;// Volts
Vc=3; // Volts
Ra=3;// k Ohms
Rb=3;// k Ohms
Rc=3;// k Ohms
Rf=1;// k Ohms
Rom=270;// Ohms
Supply=15;// Volts
// Solution
disp(" Assuming that the opamp is initially nulled");
// Using equation 14.8 to determine the output voltage
Vo=-(Rf/Ra *Va+Rf/Rb *Vb+Rf/Rc *Vc);
printf(' The output voltage = %d Volts \n',Vo);
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