A=(5, 4) I (1, 0) (4,6) (0,1) Those are matrix by the way. How do I show A^2=11A-18I? I know i'm overlooking something, but i don't know what. Any tips would be helpful
Do you know how to multiply matrices? You may want to look at this link: http://www.purplemath.com/modules/mtrxmult.htm.