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 Best Answer
f:(R,+) to (R^+,.) defined by f(x)= e^x is isomorphism so options c
sir b option kese discard kare ??
f:(Q,+) to (R+,.). homomorphism of the form f(x) =a^x but pre image of a^√2 does not exist so f is not onto