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+clc;
+//page 464
+//problem 9.2
+
+//Baseband cutoff signal fM = 15 kHz
+fM = 15 * 10^3;
+
+//Maximum frequency deviation Df = 60 kHz
+Df = 60 * 10^3;
+
+//Figure of Merit for FM is G_FM
+G_FM = (3/2)*(Df/fM)^2;
+
+disp('Figure of Merit for FM system is '+string(G_FM));
+
+//Ratio of Figure of Merits of FM and AM systems is R
+R = G_FM/(1/3);
+
+disp('Ratio of Figure of Merits for FM and AM systems is '+string(R));
+
+Df_new = 2*Df;
+
+//Figure of Merit for FM when bandwidth is doubled is G_FM_new
+G_FM_new = (3/2)*(Df_new/fM)^2;
+
+//Ratio of Figure of Merits of FM and AM systems when bandwidth is doubled is R_new
+R_new = G_FM_new/(1/3);
+
+disp('Ratio of Figure of Merits for FM and AM systems when bandwidth is doubled is '+string(R_new));
+