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+// Exa 1.24
+clc;
+clear;
+close;
+// Given data
+R1= 9;// in kΩ
+R2= 1;// in kΩ
+R3= 2;// in kΩ
+R4= 3;// in kΩ
+// The output voltage, vo1= (1+R1/R2)*va
+vo1BYva= (1+R1/R2);//       (i)
+// Voltage at node va= R4*v1/(R3+R4)
+vaBYv1= R4/(R3+R4);//       (ii)
+// From (i) and (ii)
+vo1BYv1= vo1BYva*vaBYv1;//      (iii)
+// The output voltage, vo2= (1+R1/R2)*va
+vo2BYva= (1+R1/R2);//       (iv)
+// Voltage at node va= R3*v2/(R3+R4)
+vaBYv2= R3/(R3+R4);//       (v)
+// From (i) and (ii)
+vo2BYv2= vo2BYva*vaBYv2;//      (iii)
+// Total output vo= vo1 + vo2
+disp("Total voltage is "+string(vo1BYv1)+" v1 + "+string(vo2BYv2)+" v2")