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+clc;
+hfe=150;
+rC=4000;
+hie=3000;
+Cbe=0.000000000012
+Cbc=0.000000000006;
+Av=(hfe*rC)/hie;
+CinM=Av*Cbc;
+Rs=500;
+Req=1000;
+Rth=(Req*Rs)/(Req+Rs);
+RX=(Rth*hie)/(Rth+hie);
+f2B=1/(2*3.14*RX*(Cbe+CinM));
+disp('kHz',f2B/1000,"f2B=")//The answers vary due to round off error
+disp('The answers vary due to round off error', ," ")