- #1
ubergewehr273
- 142
- 5
Homework Statement
Refer given image.
Homework Equations
Expansion of determinant.
w^2+w+1=0 where w is cube root of 1.
The Attempt at a Solution
Expanding the determinant I got cw^2+bw+a-c=0. Well after that I have no idea how to proceed.