Hello, I am looking for an help about this, I have very short time to do many of them and those are an example, could someone show me one solution or explain me how to do it?
Thank you if you can help me, I really appreciate.
Francesco.
It should be a square matrix and it is the opposite of the original one and has to be determined, so it can't have Det = 0.
det A = Det A^T
The position matter
det(AB) = det(A) and det(B)
for invertible matrices det(A) cannot be 0
Row operations to find the diagonal, or check if the det of a...
Hello everybody, I am Francesco and I would be very grateful if someone could show me the solution for those 3 problems. I have many of them and these are just an example for type, so if I understand I can do the rest of my own. I don't find on google an exact answer to my problems, but all the...