Question: In each case use the given LU-decomposition of A to solve the system AX = B by finding Y such that LY = B, and

In each case use the given LU-decomposition of A to solve the system AX = B by finding Y such that LY = B, and then X such that UX = Y:
(a)

In each case use the given LU-decomposition of A to

(b)

In each case use the given LU-decomposition of A to

200 10-1 -2 -1 21 1000 0 2 00 O1 0 1 1-10 00 1-2-1 -1 12 00 011 301-110 0 0 0 -h

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