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)
Satpal singh Best Answer
see the attachment . proof is given in this pdf
sir will we need to remember such sums ?
in net exams this type of question asked once. but sum was given
ok sir