Solution: If L and U are invertible, then (LU)1 = U1L1. In Exercises4954, find A1 from
Chapter 3, Problem 52(choose chapter or problem)
If L and U are invertible, then (LU)1 = U1L1. In Exercises4954, find A1 from the LU factorization for A given in thereferenced exercise.Exercise 13
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