Q. 15

If A = <img width A. 1 + α2 + βγ = 0

B. 1 – α2 + βγ = 0

C. 1 – α2 – βγ = 0

D. 1 + α2 – βγ = 0

Answer :

Given A =


A2 = I


I is the identity matrix



=



By comparing the elements in the matrix



Option (C) is correct answer.

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