Question
Fri February 15, 2013 By: Manoj

Let D=diag [d_1,d_2,d_3 ],where none of d_1,d_2 d_3 is 0 ;prove that D^(-1)=diag[d_1^(-1),d_2^(-1),d_3^(-1) ].

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Sun February 17, 2013
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