- #1
angrywar
- 2
- 0
Homework Statement
the question is :
Get an example of metrics M2X2 that:
A^2 doest equal A but A^3 equals A^2
The Attempt at a Solution
I tried to put matrices A equals :
a b
c d
and tried to solve it , but I get to 4 equations with 4 parameters and I don't know how to solve it , is there any easier way ?