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
see attachment
usually we take n=1 but surely we also get the solution for third order diffraction.
hope it'll help you!
why are you not answering the questions from a few days????...are you busy.....
yes, actually, i was busy dear.