Test Index

GATE Civil Engineering 2018 Paper 1

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Question : 12

Total: 65

For the given orthogonal matrix Q,
Q=[

]
The inverse is

[
3
7
2
7
6
7
−
6
7
3
7
2
7
2
7
6
7
−
3
7
]
[
−
3
7
−
2
7
−
6
7
6
7
−
3
7
−
2
7
−
2
7
−
6
7
3
7
]
[
3
7
−
6
7
2
7
2
7
3
7
6
7
6
7
2
7
−
3
7
]
[
−
3
7
6
7
−
2
7
−
2
7
−
3
7
−
6
7
−
6
7
−
2
7
3
7
]

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