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+//Chapter 17, Example 17.6
+clc
+//Initialisation
+rd=50*100*3 //resistance in ohm
+gm=72*10**-3 //in siemens
+Rd=3.3*10**3 //resistance in ohm
+Rs=10**3 //resistance in ohm
+
+
+
+//Calculation
+av=-Rd/Rs //votlage gain from eq 17.7
+b=gm*Rd
+c=gm*Rs
+av1=-(b)/(1+(c)+((Rd+Rs)/rd)) //voltage gain from eq 17.8
+av2=-(b)/(1+(c)) //voltage gain from eq 17.9
+
+//Results
+printf("From Eq 17.7, Gain = %.1f\n",av)
+printf("From Eq 17.8, Gain = %.3f\n",av1)
+printf("From Eq 17.9, Gain = %.3f\n",av2)