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+//Exa 8.9
+clc;
+clear;
+close;
+//Given data :
+f=450;//in kHz
+T1=30;//in degree C
+T2=50;//in degree C
+TC=-10;//in ppm/degree C
+PercentChange=-TC*100/10^6;//in %
+TotalChangeInFreq=(PercentChange/100)*(f*10^3)*(T2-T1);//in Hz
+ResonantFreq=f*1000-TotalChangeInFreq;//in Hz
+disp(ResonantFreq/1000,"Resonant frequency in kHz : ");
+//Note : answer in the book is wrong.
+\ No newline at end of file