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The element in the first row and third column of the inverse of the matrix `[(1,2,-3),(0,1,2),(0,0,1)]` is

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The element in the first row and third column of the inverse of the matrix `[(1,2,-3),(0,1,2),(0,0,1)]` is
A. `-2`
B. 0
C. 1
D. 7
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1 Answer

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Correct Answer - d
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