Mathematics, 26.03.2021 20:30, brillamontijo
Express A in the form A=L1DU1 where L1 is the lower triangular with 1's along the main diagonal, U1 is the upper triangular, and D is a diagonal matrix, given A=[(2 1 - 1) (-2 - 1 2) (2 1 0)]
Answers: 3
![\left[\begin{array}{ccc}2&1&-1\\-2&-1&2\\2&1&0\end{array}\right]](/tpl/images/1224/1110/78bd4.png)
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Express A in the form A=L1DU1 where L1 is the lower triangular with 1's along the main diagonal, U1...
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