where i is iota and w is cube root of unity.
Find
1)
2)
3)
4)
You need to diagonalise A to find these higher powers of A
Read this Diagonalization
ok thanks
but can u jus solve the first one for me.....it wud help me in doing rest
i will solve rest by myself....plz do the first one
btw it went abov my head
if suppose i need to find the trace of the higher powers do i hav to follow that method only or der is some other way also