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+//=====================================================================================
+//Chapter 12 example 29
+
+clc;clear all;
+
+//variable declaration
+C1        = 95*10^-12;		//capacitance in F	
+f1    = 800*10^3;		//frequency in Hz
+f2   = 2.5*10^6;		//frequency in Hz
+
+//calculations
+w2      = 2*%pi*f;
+L    = 1/((w2)^2)*Cd;
+L    = 1/((w2)^2)*(C1+Cd)
+//comparing above equations
+// Cd    =(((w1)**2)*C1)/((w2)**2)-(w1)**2))
+Cd    =(((f1)^2)*C1)/(((f2)^2)-((f1)^2));		//capcitance in pF
+
+//result
+mprintf("capacitance = %3.2f pF",(Cd*10^12));