Prove that (a) the inverse of an invertible upper triangular matrix is upper triangular. Repeat for an invertible lower triangular matrix. (b) the inverse of a unit upper triangular matrix is unit upper triangular. Repeat for a unit lower triangular matrix. | Numerade
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Prove that (a) the inverse of an invertible upper triangular matrix is upper triangular. Repeat for an invertible lower triangular matrix. (b) the inverse of a unit upper triangular
Prove that (a) the inverse of an invertible upper triangular matrix is upper triangular. Repeat for an invertible lower triangular matrix. (b) the inverse of a unit upper triangular matrix is unit upper triangular. Repeat for a unit lower triangular matrix.
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