Re: maths-functions

Posted by anon_econ on
URL: http://discussion-forum.276.s1.nabble.com/maths-functions-tp6880797p6883224.html

But i thot since there is a square root sign over the entire thing, the numerator & denominator could both be either (-) at the same time or (+) at the same time (to make the ratio +, rather than each + separately)..