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)
Abhishek tripathi 1
answer is c
d is the correct option in the book?
at x=1 the series is of the form summation 1/2n which is divergent , so it's my mistake in hurry i make this mistake so sorry for that ,
so answer will be d