Re: dse 2012 doubt.

Posted by akanksha on Jun 20, 2014; 6:25pm
URL: http://discussion-forum.276.s1.nabble.com/dse-2012-doubt-tp7593183p7593231.html

please help with q 46
i am getting only 1 extremum as 0
how can x=-2 be local min/max for f(x)=(2+x)^3
isnt it  an inflection point  as the double derivative of f is changing sign at x=-2.
please help..thanx :)