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CBSE Class 12-science Answered

answer please?
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Asked by tanishaprasad009 | 27 May, 2024, 10:55: AM
answered-by-expert Expert Answer

Given matrix is

img

Cofactor of 3-rd row and 2-nd column element is determinant obtained by eliminating 3-rd row elements and

2-nd column elements with sign (-1)3+2 = -1

Hence cofactor of 3-rd row and 2-nd column element 1 is

img

Answered by Thiyagarajan K | 27 May, 2024, 03:40: PM
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