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)
Kanika goswami 1 Best Answer
is this step of mine incorrect?
your steps are correct
have your doubt clear?
but our step doesn't match see attached above
no...your solution is same to my solution.
if I take + and - common then my solution is actually like your solution.