I just don't know how to start, so I'd like a push. Let and be matrices that satisfies and , where is the identity matrix. Calculate .
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Hello ! Originally Posted by arbolis I just don't know how to start, so I'd like a push. Let and be matrices that satisfies and , where is the identity matrix. Calculate . and
and ah.... the basic properties of the determinant. I reached and . If you have time to check out the answer, I'd be glad. Otherwise it doesn't matter that much.
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