Question

eigen values for a 5X5 matrix

Answer 1

the answer just shows that the lambda parts are multiplied

Answer 2

do you not take a proper determinate of the |A-yI|

Answer 3

Hint:
http://www.math.harvard.edu/archive/20_spring_05/handouts/ch05_notes.pdf
Read theorem 1 on page 3.

Answer 4

thanks @mathmate :)

Answer 5

hi @mathmate,where did you get these noted from? could you please tell me so i can find the notes for chapter 6 aswel, thanks!

Answer 6

Sorry, I just got this by Googling, I do not have a systematic set of notes.
@swift_13