Solution Found!
Suppose A is n × n and the equation Ax = b has a solution
Chapter 2, Problem 24E(choose chapter or problem)
QUESTION:
Problem 24E
Suppose A is n × n and the equation Ax = b has a solution for each b in ℝn. Explain why A must be invertible. [Hint: Is A row equivalent to In].
Questions & Answers
QUESTION:
Problem 24E
Suppose A is n × n and the equation Ax = b has a solution for each b in ℝn. Explain why A must be invertible. [Hint: Is A row equivalent to In].
ANSWER:
Solution 24E
Consider the matrix A with the solution is =