A square matrix `B` is said to be an orthogonal matrix of order `n` if `BB^(T)=I_(n)` if `n^(th)` order square matrix `A` is orthogonal, then |adj(adjA)| isA. may be `-1` if `n` is evenB. greater than `1` in all casesC. always `1`D. always 1 if `n` is odd

A square matrix `B` is said to be an orthogonal matrix of order `n` if

1.	A square matrix `B` is said to be an orthogonal matrix of order `n` if `BB^(T)=I_(n)` if `n^(th)` order square matrix `A` is orthogonal, then \|adj(adjA)\| isA. may be `-1` if `n` is evenB. greater than `1` in all casesC. always `1`D. always 1 if `n` is odd
Answer» Correct Answer - A::B `AA^(T)=Iimplies\|A\|=+-1` `\|adj(adjA\|=\|A\|^(n-1)^(2)`

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A square matrix `B` is said to be an orthogonal matrix of order `n` if `BB^(T)=I_(n)` if `n^(th)` order square matrix `A` is orthogonal, then |adj(adjA)| isA. may be `-1` if `n` is evenB. greater than `1` in all casesC. always `1`D. always 1 if `n` is odd

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