Differentiability query !!
Posted by
Anjali on
Jun 13, 2014; 7:40am
URL: http://discussion-forum.276.s1.nabble.com/Differentiability-query-tp7592592.html
If f(x)=|x−1|+|x−2|+|x−3|, then f (x) is differentiable at
(a) 0 (b) 1 (c) 2 (d) 3
"Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth."