List all of the 3×5 RREFs with three leading ones. If such matrices are augmented with a bar between columns 4 and 5, what are the possible geometries of their solution sets?

Elementary Linear Algebra (MindTap Course List)
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Chapter3: Determinants
Section3.CM: Cumulative Review
Problem 17CM: Find the sequence of the elementary matrices whose product is the non singular matrix below. [2410]
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List all of the 3×5 RREFs with three leading ones. If such matrices are
augmented with a bar between columns 4 and 5, what are the possible
geometries of their solution sets?

Expert Solution
Step 1

In this solution we will discuss and list all the 3×5 row reduced echelon forms with three leading ones.

We know that a matrix A is said to row reduced echelon form if:

  • It is in echelon form. That is the matrix in a shape which is resulting of the Gaussian elimination.
  • The leading entry in each non zero row is 1.
  • Each column containing the leading 1 has other entry zero.
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