Compute the LU factorization of the following matrix. No row interchanges will be necessary. You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. 2 -6 4 0 0 0 0 0 0 3 -9 8 =LU=0 0 0 0 0 0 -2 6 -2 0 0 0 0 0 0

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Q: 1.what are the critical points of (

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