kill(all);

van=facebook.com/LearningCalculus$

terms:63$

sum((x+1)^i*(x-1)^(terms-i),i,0,terms);

f(x):=sum((x+1)^i*(x-1)^(terms-i),i,0,terms);

factor(f(x));

solve(factor(f(x)),x);

f(0);