If A is an n × n matrix and det(A) 0 ,write down a formula for the entries in the inverse of A in terms of determinants and minors. I am totally at a loss for how to show this, so any help would be appreciated.
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Originally Posted by davesface If A is an n × n matrix and det(A) 0 ,write down a formula for the entries in the inverse of A in terms of determinants and minors. I am totally at a loss for how to show this, so any help would be appreciated. Read about the adjoint matrix of a square matrix (which entries are precisely the matrix's minors' determinants), and which fulfills the formula ... Tonio
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