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Brittany0512
07.03.2020 •
Mathematics
Answer each of the following true/false questions. If the statement is true, no explanation is necessary. If the statement is false, explain why. (a) If two columns of a matrix are equal, then the determinant of the matrix must be zero. (b) If A and B are invertible n by n matrices, then AB is an invertible n by n matrix.
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Ответ:
15 minutes baby