Option 11 DHS 1.1
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DHS - 1.1
№ 1.11. For this determinant find the minors and algebraic additions.
Calculate the determinant: a) spreading it over the elements of the i line; b) spreading it into j column elements; c) having previously received zeros in the i line. i = 3; j = 4.
No. 2.1. Two matrices A and B are given. Find: a) AB; b) BA; c) A – 1; d) AA – 1; e) A – 1A.
№ 1.11. For this determinant find the minors and algebraic additions.
Calculate the determinant: a) spreading it over the elements of the i line; b) spreading it into j column elements; c) having previously received zeros in the i line. i = 3; j = 4.
No. 2.1. Two matrices A and B are given. Find: a) AB; b) BA; c) A – 1; d) AA – 1; e) A – 1A.
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