clear;
clc;
r1=3e6;
x=10;
r=150e6;
rb=9e6;
x1=x*rb/r1;
xc=inv(2*inv(x1));
xt=rb*100/r;
x=(inv(inv(xt)-inv(xc)))-5;
printf("the reactance that should be added= %d percent",x);