Re: ISI 2012 ME - I Answer Key

Posted by neha 1 on Mar 09, 2014; 11:12am
URL: http://discussion-forum.276.s1.nabble.com/ISI-2012-ME-I-Answer-Key-tp7515795p7585146.html

but we are suppose to solve 2 equations right?
xsq-3x-10=0 and xsq +3x-10=0
so we get 4 roots 2 are non negative
please explain