(a) The inverse of a nonsingular matrix is unique. (b) If the matrices and satisfy and
Chapter 2, Problem 45(choose chapter or problem)
(a) The inverse of a nonsingular matrix is unique. (b) If the matrices and satisfy and is invertible, then (c) The inverse of the product of two matrices is the product of their inverses; that is, (d) If can be row reduced to the identity matrix, then is nonsingular.
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