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
sir how m came i have encircled that pls once tell
also sir I had read taht this formula (for q1) is applicable for square Matrix but here in question it is not given that it is a square Matrix so can we use this formula in any type of matrix or we assume that in question it is talking about square Matrix
see , this common part is used in formula always .
And this formula is for every matrix. not only for n×n
feel free to ask again