Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anonymous User
I and ii f(x)=x f(ax+by)=ax+by= a.f(x)+b.f(y) f is convex ii f(x)≤|x| f(ax+by)≤|ax+by| ≤ a.|x|+b.|y| =a.f(x)+b.f(y)