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)
Ritesh rajesh malche
Let G = GL(2, R) = (A:A is non-singular 2x2 matrix over R), a group under usual matrix multiplication and H = SL(2, R) = {A E G: JA| = 1) a subgroup of G. Show that H is normal in G.