Azeppo.191
net.math
utzoo!decvax!harpo!zeppo!raj
Wed May  5 14:14:51 1982
Re: Solution(?) to oldie but goodie

I think the answer lies somewhere in the fact that
sqrt(1)=+1 and sqrt(1)=-1.  If you use the -1 in some
places, you get 1=1 or -1=-1.  Does anyone know when to use
+1 and when to use -1?