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)
Deepak singh 1
Refer attached
if we get ones does it mean we cant further reduce the matrix?
No , we can reduce further (not depends on ones) . I have mark 1 for showing pivot purpose.