Let `omega!=1`
be cube root of unity and `S`
be the set of all non-singular matrices of the form `[1a bomega1comega^2theta1],w h e r e`
each of `a ,b ,a n dc`
is either `omegaoromega^2dot`
Then the number of distinct matrices in the set `S`
is
a. 2 b. `6`
c. `4`
d. `8`
A. 2
B. 6
C. 4
D. 8