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)
Anonymous User
A+B=(-2,7] right half closed A-B=A/B=(2,5] right half closed AB=(-5,10] right half closed
In case of multiplication why -5 is in open interval and 10 in closed?
bcz -1 not element of A but 2 elements of A