Rank of a matrix -

Options :
  1. can be calculated ONLY if the matrix is square
  2. is the order of largest square sub-matrix present in a matrix
  3. is the same as no. of linearly dependent row or coloumn vectors in the matrix
  4. is the order of largest non-singular square sub-matrix present in a matrix
Answer and Explanation :-

Answer: Option 4

Explanation:

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