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+1 vote
50.6k views
in Mathematics by (44.7k points)

Let A = (0, 2q, r), (p, q, -r), (p, -q, r). If AAT = I3, then p is:

1 Answer

+2 votes
by (69.7k points)
selected by
 
Best answer

The correct option is (2).

Explanation:

Since AAT = I so A is orthogonal matrix sum of the squares of the non diagonal elements of one column is .

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