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Expanding by a minors the swaped matrix by a last row (which a, b, c) gives same expression, and thus same answer, which is -6.
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Determinant of the matrix #3
You are viewing a single comment's thread. Return to all comments →
Expanding by a minors the swaped matrix by a last row (which a, b, c) gives same expression, and thus same answer, which is -6.