Prove that if Q is an orthogonal matrix, the det(Q)=(+-)1.

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- Nov 6th 2010, 05:35 AMalice8675309orthogonal matrix
Prove that if Q is an orthogonal matrix, the det(Q)=(+-)1.

- Nov 6th 2010, 05:37 AMAckbeet
What ideas have you had so far?

- Nov 6th 2010, 06:12 AMalice8675309
- Nov 6th 2010, 08:08 AMAckbeet
Perfect. You don't need to add any more - I think you're done.