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+//Finding capacitance
+//Example 4.1(pg 110)
+clc
+clear
+// Let C1 and C2 be unknown capacities
+//C1+C2=0.16
+//(C1*C2)/(C1 + C2)=0.03
+// from the above 2 equations we get the following polynomial
+s=poly(0,"s");
+p=s^2 -0.16*s +0.0048
+[c1]=roots(p)
+c2=0.16-c1
+printf('Thus the capacitance of condensers is  %3.2f microF \n ',c1)
+