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)
Alka gupta
yes, simple take an example x= π/3 then sec square (π/3) = 4 and lots of example here such that we can say that sec^2(x) is greater than 1 for many x