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)
Chandra prakash
this is open cure trajectory dear... see full explanation of this...
I hope you got it my point dear
open curve bcoz of negative sign in between... u see full explanation what u want ...best regards