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
The order of a Galois group, G, of a polynomial of the type f(x)= X^n−a over Q, with a,n∈N is |G|=n⋅φ(n) φ(n) Euler function here n=2 so orders of G =2xφ(2)=2x1=2