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+
+//Example 22_3
+clc();
+clear;
+//To find the location of the image and its relative size
+r=100 //Units in cm
+d1=-r/2 //units in cm
+d2=75 //units in cm
+i=(d1*d2)/(d2-d1) //Units in cm
+p=75 //units in cm
+sizee=-i/p //units in cm
+printf("The location of the image is i=%d cm\n The relative size of the image is I_O=%.2f cm",i,sizee)