Prove that if A is invertible and r is a non-zero scalar, then rA is invertible with
Chapter 5, Problem 25(choose chapter or problem)
Prove that if A is invertible and r is a non-zero scalar, then rA is invertible with (ra) 1 = (1r)a1 .
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