How to find the Adjoint of a Matrix

In linear algebra, the adjugate or classical #adjoint of a square matrix is the transpose of its cofactor matrix. It is also occasionally known as adjunct matrix, though this nomenclature appears to have decreased in usage.

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[@ElijahOkeyi-p3b]

Thanks, but you did not use the shortcut method of find determinant.

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[@intelligence-o2z]

Sir i think there is a mistake in the example u gave the 3×3 matrix the adjoint first row I got 7 -8 and -1

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[@Datforheadgal]

Please in finding the cofactors you didn’t multiply their coefficient with the minors 🤷‍♀️ or I’m mistaken

[@fiazahmed3645]

Why we use (-1) in cofactors Instead of (+1)

[@isaacorbit]

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[@AkoIgnatius-v7v]

Sir you made a mistake when you were looking for the cofactor 😁😄

[@LINIALAN]

How

[@geomurshad]

Too difficult to memorize😡......😬

[@tambuwalmathsclass]

No, it only requires practice

[@gloryguantai9410]

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