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+//chapter19
+//example19.14
+//page424
+
+Vc=5 // V
+V_lower=2.5 // V
+V_upper=2.5 // V
+R=2 // kilo ohm
+
+// figure given in book is just for understanding purpose.It is not a part of solution.
+// however, the figure has been made in xcos and screenshot has been attached for reference
+
+// since power=(rms voltage)^2/R we get
+
+Pc=(0.707*Vc)^2/R
+P_lower=(0.707*V_lower)^2/R
+P_upper=(0.707*V_upper)^2/R
+Pt=Pc+P_lower+P_upper
+
+printf("power delivered by carrier = %.3f mW \n",Pc)
+printf("power delivered by lower sideband = %.3f mW \n",P_lower)
+printf("power delivered by upper sideband = %.3f mW \n",P_upper)
+printf("total power delivered by AM wave = %.3f mW \n",Pt)