//chapter 17
//example 17.12
//page 744
printf("\n")
printf("given")
f1=10.3*10^3;f2=10.9*10^3;
C1=1000*10^-12;C2=C1;
fo=sqrt(f1*f2)
R5=1/(2*3.14*fo*C1)
R1=R5;
Q=fo/(f2-f1)
R2=R1*(2*Q-1)