Hi, I am student, about to join a research group in Data Science research field. I have a problem provided by my professor. He gave me a test to join his group.

The test include basic algebra, which I have already forgotten. Here is the problem:

Then, please help me to answer question above by providing detail explanation.

Thank you.

[ 2 -1 Let A = | 0 -1 10 2 -1] 0 . Find the maximal eigenvalue of the matrix A? 1 0 0 0 o 128 o 256