Question: Let (a) Prove: If a 0, then A has a unique LU-decomposition with l's along the main diagonal of L. (b) Find the LU-decomposition described

Let
A =

(a) Prove: If a ‰  0, then A has a unique LU-decomposition with l's along the main diagonal of L.
(b) Find the LU-decomposition described in part (a).

A =

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