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

Printable View

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

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

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