Answer: Suppose a 4 × 7 matrix A has three pivot columns.
Chapter 2, Problem 16E(choose chapter or problem)
Suppose a 4 × 7 matrix A has three pivot columns. Is ? What is the dimension of Nul A? Explain your answers.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer