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+// Example 12.1: (a) RD
+//               (b) Product RC
+//               (c) Reasonable value of R and C
+clc, clear
+fo=8e3; // in hertz
+mu=59;
+rd=10; // in kilo-ohms
+
+disp("Part (a)");
+RD=29*rd/(mu-29); // in kilo-ohms
+disp(RD,"RD (kΩ) =");
+
+disp("Part (b)");
+RC=1/(2*%pi*fo*sqrt(6)); // in seconds
+RC=RC*1e6; // in micro-seconds
+disp(RC,"Product RC (µs) =");
+
+disp("Part (c)");
+R=50; // in kilo-ohms
+C=RC/R; // in nano-farad
+C=C*1e3; // in pico-farad
+disp(R,"Reasonable value of R (kΩ) =");
+disp(C,"Reasonable value of C (pF) =");
+\ No newline at end of file