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.
yes complex eigenvalues do have eigenkets, even sometimes real eigenvalues have complex eigenkets for example PAULI'S MATRICES. check eigenkets of Sigma(y) matrix. Best regards