initial commit / add all books

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diff --git a/881/CH4/EX4.6/exa4_6.sce b/881/CH4/EX4.6/exa4_6.sce
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+clc;
+//Example 4.6
+//Page no 133
+//Solution
+
+m=0.8;
+Aq=100;
+Fc=500; //kHz
+Vc=5*(10^-3); //mV
+Fm=1000; //Hz
+
+//(a)
+
+disp("(a)Substituting into equation 4-34(pgno 132), ");
+
+Am=Aq*(1+m);
+
+disp(Am," Amax = ");
+
+am=Aq*(1-m);
+
+disp(am,"Amin = ");
+
+//(b)
+
+Vom=Am*Vc;
+
+vom=am*Vc;
+
+disp('V',Vom,"(b)Vout(max) =  ");
+disp('V',vom,"Vout(min) =  ");