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)
Ghost.
alpha and beta are just constant whose summation of mod square has to be one. my answer doesn't match with any of the answer, neither i can't reduce my most general state to any one of the given option. but my aswer is kinda correct, you can see system of electron having spin. its state in in outer product form. now either i am missing some concept or questions need some elaboration. Wishes