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+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 56
+
+disp("CHAPTER 1");
+disp("EXAMPLE 56");
+
+//VARIABLE INITIALIZATION
+r=1;                              //this is an assumption
+r1=r*1;                           //in Ohms
+r2=r*2;                           //in Ohms
+r3=r*3;                           //in Ohms
+
+//SOLUTION
+ra=r1+r2+((r1*r2)/(r1+r2));
+rb=r2+r3+((r2*r3)/(r2+r3));
+rc=r1+r3+((r1*r3)/(r1+r3));
+disp(sprintf("The equivalent delta values are %f Ω, %f Ω and %f Ω",ra,rb,rc));
+
+//END
+