## Inverse of a matrix, Mathematics

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Explain Inverse of a matrix, need assignment help.

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#### Alice

2/12/2013 4:46:17 AM

If for an n ( n square matrix A, there is other n ( n square matrix B such that there product is the identity of the order n X n, In, i.e. A X B = B X A = I, then B is said to be inverse of A. Inverse if usually written as A-1

Hence AA-1 = I

Note: Only non singular matrices contain an inverse and therefore the inverse of a singular matrix is non-defined.  