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)
Nitin meel
according to D Morgan's theorem suppose the inputs are x and y then the inverse of product of x and y is equal to individual sum of inverse of x and y. and the inverse of sum of x and y is equal to the product of individual inverse of x and y