Recent content by Aosunni

now i found these two matrices : a = 1 2 -1 0 b= 1 2 -1 0 a2 = -1 2 -1 -2 b2 = 1 4 0 1 is it a valid answer for the question ?

Homework Statement Find an example with 2 * 2 matrices for which: 0 (= or < ) a (= or < ) b does not imply a 2 (= or <) b2. the trace and the determinant of both a and b matrices should be positive ! Homework Equations The Attempt at a Solution i just need to know 2 things : 1- is there...