If A is a 3x3 matrix, what is the maximum number of linearly independent rows it

Practice Questions

Q1
If A is a 3x3 matrix, what is the maximum number of linearly independent rows it can have? (2023)
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  3. 3
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Questions & Step-by-Step Solutions

If A is a 3x3 matrix, what is the maximum number of linearly independent rows it can have? (2023)
  • Step 1: Understand what a 3x3 matrix is. A 3x3 matrix has 3 rows and 3 columns.
  • Step 2: Know what 'linearly independent' means. Rows are linearly independent if no row can be made by combining other rows.
  • Step 3: Realize that in a 3x3 matrix, you can have at most 3 rows.
  • Step 4: Think about the maximum number of rows that can be linearly independent. Since there are 3 rows, the maximum number of linearly independent rows is 3.
  • Step 5: Conclude that the maximum number of linearly independent rows in a 3x3 matrix is 3.
  • Linear Independence – The concept of linear independence refers to a set of vectors (or rows in a matrix) being independent if no vector can be expressed as a linear combination of the others.
  • Matrix Rank – The rank of a matrix is the maximum number of linearly independent row or column vectors in the matrix, which for a 3x3 matrix can be at most 3.
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