Metallurgical Engineering > GATE 2025 > Linear Algebra
Which one of the following matrices is orthogonal?
A
[(1/2 -√3/2); (-√3/2 1/2)]
B
[(1/2 -√3/2); (√3/2 1/2)]
C
[(1/√2 -√3/2); (-√3/2 1/2)]
D
[(1/√2 -√3/2); (1√3/2 -1/√2)]

Correct : b

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