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)
Priyadarshan Choursiya
this question based on the fact that the product of eigen values of A is equal to the det(A). I give proof of that, it is not written by me but this is my favourite proof for that.