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diff --git a/3554/CH14/EX14.2/Ex14_2.sce b/3554/CH14/EX14.2/Ex14_2.sce
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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);
+\ No newline at end of file