Question

B2. Find an LU factorization of the matrix A=\left(\begin{array}{ccc} 2 & 4 & 10 \\ 4 & 15 & 48 \\ 8 & 25 & 73 \end{array}\right) \text { with

} 1 \mathrm{~s} \text { on the diagonal } of U.

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