//example1.9
clc
disp("Its equivalent star is as shown in the fig 1.57. where,")
r=50/30
format(5)
disp(r,"R1(in ohm)=(10*50)/(5+10+15)=")
r=150/30
disp(r,"R2(in ohm)=(15*10)/(5+10+15)=")
r=75/(30)
disp(r,"R3(in ohm)=(15*5)/(5+10+15)")