Solution Found!
Suppose A is a 4 × 3 matrix and b is a vector in ?4 with
Chapter 1, Problem 34E(choose chapter or problem)
QUESTION:
PROBLEM 34E
Suppose A is a 4 × 3 matrix and b is a vector in ℝ4 with the property that Ax = b has a unique solution. What can you say about the reduced echelon form of A? Justify your answer.
Questions & Answers
QUESTION:
PROBLEM 34E
Suppose A is a 4 × 3 matrix and b is a vector in ℝ4 with the property that Ax = b has a unique solution. What can you say about the reduced echelon form of A? Justify your answer.
ANSWER:
Solution
Step 1 of 2
Suppose A is a 4 × 3 matrix and b is a vector in ℝ4 with the property that Ax = b has a unique solution.
Since, Ax = b has a unique solution and it has no free column. So all the column of A are pivot column.