When A is invertible, MATLAB finds A¹ by factoring LU (where L may be permuted lower triangular), inverting L and U, and then computing U¹L¹. Use this method to compute the inverse of the given matrix A. A= 4 - 12 8 40 - 16 -8 12 - 16 0 Compute U¹ and L1. U¹ = ¹ = 0 where A = 100 1 0 0 1 1 - 4 4 - 12 8 -8 16 0-4 0 0

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