Math Problem Statement
Find the rank of the matrix using echelon form.
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Algebra
Matrix Rank
Row Echelon Form (REF)
Formulas
Row operations to reduce a matrix
Rank of a matrix (number of non-zero rows in echelon form)
Theorems
Rank-Nullity Theorem
Matrix Rank Theorem
Suitable Grade Level
Undergraduate Level (Linear Algebra)