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)
Eduncle
Dear Saurabh,
Greetings!
As per the attached images, you have an issue in choosing limit.
Refer the attached image for the solution.
Hope that this solution will help you.
Thanks for asking your query to us!
but sir in some cases we take limit of 'r' as 0