How To Find the Rank of a Matrix || Method to Find Rank of a Matrix by Echelon Form

Zero Row :
A zero row is a row whose entries are all equal to zero.
Non Zero Row:
A row that has at least one element different from zero.
What are the Rules of Echelon Form?
All zero rows must be at the bottom of the matrix in the two-echelon form.
The non-zero rows must enter to the right of the previous row in the matrix.
The first number in the row must be 1 and the entry of the non-zero rows must be 1.
All non-zero rows must be above all-zero rows in the rectangular matrix.
How To Find the Rank of a Matrix Method to Find Rank of a Matrix by Echelon Form
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