Re: problem sets

Posted by Mehak on Aug 21, 2013; 8:13am
URL: http://discussion-forum.276.s1.nabble.com/problem-sets-tp7583841p7583853.html

Hi
I got the same equation for df/dx. And yes we can find x=15 as one of the critical points by trial and error.
But other than that, I could just narrow down my answer to 0<x<30. What's the actual answer Akshay?