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Verify A (Adj A) = (Adj A) A = |A|I [(1,-1,2),(3,0,-2),(1,0,3)] - Mathematics

Verify A (adj A) = (adj A) A = |A|I

`[(1,-1,2),(3,0,-2),(1,0,3)]`

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Solution

A = `[(1,-1,2),(3,0,-2),(1,0,3)]`

Concept: Inverse of a Matrix - Inverse of a Square Matrix by the Adjoint Method
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Chapter 4: Determinants [Page 131]
Q 4
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NCERT Class 12 Maths
Chapter 4 Determinants
Q 4 | Page 131
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