If all the cofactors are zero, how do you know that A has no inverse? If none of the
Chapter 4, Problem 4.4.19(choose chapter or problem)
If all the cofactors are zero, how do you know that A has no inverse? If none of the cofactors are zero, is A sure to be invertible?
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