kill(all)$ load(ntrig)$ load(atrig1)$

Van = facebook.com/LearningCalculus;

f:100/(3+%i)^2 + 100/(3-%i)^2;

z(a,b):=a+b*%i;

z(realpart(f),imagpart(f));

f:25/(2-%i)^2 - 25/(2+%i)^2;

z(realpart(f),imagpart(f));