MatricesHard

Question

If D = diag (d1, d2, d3, ...,dn), where d ≠ 10 for all i = 1,2,....,n; then D-1 is equal to -

Options

A.D
B.In
C.diag (d1-1, d2-1, ....,dn-1)    
D.None of these

Solution

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