70/CH5/EX5.5.1/5_5_1.sci


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//page282
clear;
close;
clc;
i=sqrt(-1);
x=3+4*i;
disp(x,'x=');
x_=conj(x);
disp(x*x_,'xx_=');
r=sqrt(x*x_);
disp(r,'r=')
//end