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diff --git a/3889/CH7/EX7.5/Ex7_5.sce b/3889/CH7/EX7.5/Ex7_5.sce
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+//Example 7.5

+//page 439

+//Control Systems: Principles and Design 

+//M Gopal, Second Edition, Tata McGraw-Hill

+//Chapter:Compensator Design Using Root Locus

+

+xdel(winsid())//close all graphics Windows

+clear;

+clc;

+//transfer function

+s=%s;

+P=(s+1)/((s^2)*(s+9));

+

+//Root locus plot using evans root locus

+f=figure()

+evans(P)

+title("Root locus of (s+1)/((s^2)*(s+9))",'fontsize',5)

+h=legend('');

+h.visible="OFF"

+zoom_rect([-5 -10 5 10])

+a=gca();

+a.x_location="origin"

+a.y_location="origin"

+a.parent.background=8; 

+legends(['root locus';'';'asymptotic directions';'open loop poles'],[2,3,1,-2],with_box=%f,opt="ur",2.8)

+K=poly(0,'K')

+R= routh_t(P,K);

+disp(R,'Routh Array')

diff --git a/3889/CH7/EX7.5/Ex7_5output1.PNG b/3889/CH7/EX7.5/Ex7_5output1.PNG
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diff --git a/3889/CH7/EX7.5/Ex7_5output2.PNG b/3889/CH7/EX7.5/Ex7_5output2.PNG
new file mode 100644
index 000000000..006f060ae
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+++ b/3889/CH7/EX7.5/Ex7_5output2.PNG