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)
Dhairya sharma
hope it's clear to u.....you can get yor mistake from here. best regards.
Yes mam.. I solved the question for e^(+x^2/2).. didn't see the minus sign
okk