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Mathematics
A square matrix A is called an orthogonal matrix if
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Q. A square matrix $ A $ is called an orthogonal matrix if
Jharkhand CECE
Jharkhand CECE 2009
A
$ A\bar{A}=I $
B
$ AA'=I $
C
$ A{{A}^{\theta }}=I $
D
$ {{A}^{2}}=I $
Solution:
A square matrix, $ A $ is called an orthogonal matrix, if $ AA'=I $ .