Question: 9. Let D be a diagonal n x 11 matrix with diagonal entries KID) = A3- for 1 g i E n. Prove, by induction,

9. Let D be a diagonal n x 11 matrix with diagonal entries KID)\" = A3- for 1 g i E n. Prove, by induction, that for every 19 E N, the matrix JD;c is diagonal, with diagonal entries (Dick'- 2 A? for all 1 g 2' g: n

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