Re: ISI-2009 MATH QUESTIONS

Posted by Dreyfus on
URL: http://discussion-forum.276.s1.nabble.com/ISI-2009-MATH-QUESTIONS-tp7586464p7589228.html

For 21 ...find dy/dx ...then square it and add 1 to it...and then check which of a,b,c are not in the expression!