1.) Find the eigen vector and value, help me out guys i got exams this afternoon n i need to know this stuff. i missed a few lectures due to some unfortunate events.

|2 0 0 0|
|0 2 0 0|
|0 0 3 0|
|0 0 0 4|

2.)

|1 2 1|
|0 3 1|
|0 5 -1|