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)
Narayan singh Best Answer
Error in case of a measured quantity raised to a power ΔZ/Z = (ΔA/A) + (ΔA/A) = 2 (ΔA/A). Hence, the relative error in A2 is two times the error in A.