\end{array}\right]\) is such that A2 = I, then :
A. 1 + α2 + βγ = 0
B. 1 – α2 + βγ = 0
C. 1 – α2 – βγ = 0
D. 1 + α2 – βγ = 0
Answer:C
\end{array}\right]\) is such that A2 = I, then :
A. 1 + α2 + βγ = 0 B. 1 – α2 + βγ = 0 C. 1 – α2 – βγ = 0 D. 1 + α2 – βγ = 0