If 
is such that A2 = I, then
As A2 = I,
So, α2 + βγ = 1
α2 + βγ – 1 = 0
1 – α2 – βγ.
Hence, Option (C) is the correct answer.
1
If is such that A2 = I, then
As A2 = I,
So, α2 + βγ = 1
α2 + βγ – 1 = 0
1 – α2 – βγ.
Hence, Option (C) is the correct answer.