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 Best Answer
ans A,B are correct....
doubt
see...
doubt
if you compare (n+1)! coefficient then we get (n+2)! =0 which is not possible....