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+//chapter17
+//example17.7
+//page387
+
+L=1 // H
+C=0.01d-12 // F
+Cm=20d-12 // F
+
+fs=1/(2*%pi*(L*C)^0.5)
+Ct=C*Cm/(C+Cm)
+fp=1/(2*%pi*(L*Ct)^0.5)
+
+printf("series resonant frequency = %.3f Hz or %.3f kHz\n",fs,fs/1000)
+printf("parallel resonant frequency = %.3f Hz or %.3f kHz\n",fp,fp/1000)
+
+// in book the answer given is 1589 kHz for series resonant frequency but the accurate answer is 1591.549 kHz
+// in book the answer given is 1590 kHz for parallel resonant frequency but the accurate answer is 1591.947 kHz