This preview shows page 1. Sign up to view the full content.
Unformatted text preview: 4 Prove that if A and B are similar matrices, then A is invertible if and only if B is invertible. 5 Let A,B be n × n orthogonal matrices. Show that A ( A T + B T ) B = A + B and use the identity to prove that if det( A ) + det( B ) = 0, then A + B is not invertible....
View Full Document
This note was uploaded on 02/20/2011 for the course MATH 302 taught by Professor Staff during the Fall '08 term at University of Delaware.
- Fall '08