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diff --git a/50/CH2/EX2.26/2_26.PNG b/50/CH2/EX2.26/2_26.PNG
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+++ b/50/CH2/EX2.26/2_26.PNG
diff --git a/50/CH2/EX2.26/ex_26.sce b/50/CH2/EX2.26/ex_26.sce
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+                                   // The equation x^3-7*x^2+16*x-12==0 has  real roots.
+                                   // the graph of this function can be observed here.
+xset('window',25);                                   
+x=0:.001:4;                                             // defining the range of x.
+deff('[y]=f(x)','y=x^3-7*x^2+16*x-12');                  //defining the cunction.
+deff('[y]=fp(x)','y=3*x^2-14*x+16');
+y=feval(x,f);
+ 
+a=gca(); 
+ 
+a.y_location = "origin";
+ 
+a.x_location = "origin"; 
+plot(x,y)                                                  // instruction to plot the graph 
+title(' y = x^3-7*x^2+16*x-12')
+
+
+
+
+// given that the equation has double roots at x=2 hence m=2;
+
+m=2;
+
+                  // solution by newton raphson method
+                  
+                 
+newton(1,f,fp)                  // calling the user defined function
+
+
+
+
+                        //solution by modified newton raphsons mathod
+                        
+                 
+
+modified_newton(1,f,fp)                     
+\ No newline at end of file