Comments on: Mistaken Identity
https://telescoper.wordpress.com/2015/01/29/mistaken-identity/
A blog about the Universe, and all that surrounds itThu, 29 Jan 2015 15:09:45 +0000
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By: Anton Garrett
https://telescoper.wordpress.com/2015/01/29/mistaken-identity/#comment-139570
Thu, 29 Jan 2015 15:09:45 +0000http://telescoper.wordpress.com/?p=23667#comment-139570It’s clearly part of an exam paper asking whether the equation depicted has a solution for the 3*3 matrix X. The answer is No, because if M denote the matrix that is written out, then since det AB = det A det B it follows with A = M, B = X that 0.det X = 1, which has no (finite) solution for det X.
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