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Sticky Note
Rank of identity matrix of order 3 is?
  1. 1
  2. 2
  3. 3
  4. None of these
Explanation

The identity matrix has all diagonal elements = 1 and determinant ≠ 0.

It is a full rank matrix.

For order 3, its rank is 3.


Last verified on 17-06-2026

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