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.
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Ruby negi Best Answer
rank of this matrix is 3.. Rank is the no of non zero rows. If the determinant of a matrix is zero then it's rank is always less than the order of the matrix, but if determinant is not zero then rank of matrix is equal to it's order..